Company lists · Data refreshed November 2026
Top 25 Open source contact management software companies worldwide
RevenueBase identified 587 company matches for open source contact management software companies worldwide as of November 2026 and tracks 24,946 professional contacts across them, including 9,041 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for open source contact management software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026. Country and city lists for open source contact management software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest open source contact management software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,646 contacts → | ||||
Exact match “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 8,340 contacts → | ||||
Exact match “Odoo is an open-source suite of integrated business applications actively programmed, supported, and organized by Odoo SA.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 292 contacts → | ||||
Exact match “The leading provider of CRM solutions for small and medium-sized enterprises In recent years, CAS Software AG has become the German, market-leading innovator for customer…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 278 contacts → | ||||
Exact match “Driven by a passion for helping SMBs build valuable, effortless customer relationships, SuperOffice is one of Europe’s most trusted CRM providers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 238 contacts → | ||||
Exact match “Vtiger is a leading Cloud CRM solution architected on an industry leading Open Source Core.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 166 contacts → | ||||
Exact match “Wealthbox is CRM you’ll actually enjoy.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 124 contacts → | ||||
Exact match “Mirabel Technologies is a privately owned international software company that empowers businesses to grow.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 117 contacts → | ||||
Exact match “Paramantra builds enterprise software.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 95 contacts → | ||||
Exact match “ERP Solutions * CRM Solutions * Document Management System (DMS)* Business Intelligence Solution * Point of Sale Solution (POS)* Application Development Framework VIENNA Advantage…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 87 contacts → | ||||
Exact match “نرمافزار CRM پیامگستر جامعترین ارائهدهنده خدمات مدیریت ارتباط با مشتریان در ایران است که به سازمانها و کسبوکارها این امکان را میدهد تا تمامی اطلاعات مشتریان و چرخه فروش خود را…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 76 contacts → | ||||
Exact match “Builder Prime is the all-in-one CRM built for growth-minded home improvement companies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 68 contacts → | ||||
Exact match “Insightly, the new breed of CRM, helps modern businesses of all sizes build lifelong customer relationships and grow faster than ever before.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 58 contacts → | ||||
Exact match “Optimiser is a fully configurable business intelligence ecosystem that helps organisations manage relationships, operations, workflows, communications, and commercial activities…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “Node Technologies is a product company and our product is called SalesGO ( SalesGO a mobile based sales force enablement product built on the ‘Salespeople First’ philosophy making…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 54 contacts → | ||||
Exact match “Capsule was launched in 2009 following the founders' frustration with existing CRM services that were either overly simplistic or far too complex for most businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 52 contacts → | ||||
Exact match “Most CRM systems force you to adapt your sales process to your project.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 46 contacts → | ||||
Exact match “Die cobra GmbH aus Konstanz am Bodensee entwickelt und vertreibt seit über 40 Jahren innovative CRM Lösungen für eine effiziente Kundenbeziehung und rechtskonformes…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 43 contacts → | ||||
Exact match “To realize a highly productive way of working Using web cloud technology to centralize management of employee and client contact information.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 34 contacts → | ||||
Exact match “Clear C2, Inc is based in Coppell, Texas, and is a leading technology company providing Customer Relationship Management(CRM) companies of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 31 contacts → | ||||
Exact match “Less Annoying CRM is a simple CRM built from the ground up for small businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 29 contacts → | ||||
Exact match “A Smark é uma empresa focada em ajudar seus clientes a alcançarem o sucesso em suas estratégias de venda e relacionamento com o mercado.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 26 contacts → | ||||
Exact match “Archie Europe develops and implements advanced CRM software named Archie CRM.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 26 contacts → | ||||
Exact match “Gold-Vision CRM is a highly configurable, user-friendly customer relationship management (CRM) platform designed to unify and streamline sales and marketing processes for…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “True pioneer in the edition and integration of cloud based CRM solutions; Eudonet helps organizations (SMB, Nonprofits, Cultural Institutions…) to improve their efficiency…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “OnePageCRM is an ultra-simple yet powerful CRM system built for small businesses in the consulting and professional services industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “open source contact management software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 587 open source contact management software companies worldwide
See the full list, filter by size, metro and specialty, and access 9,041 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source contact management software companies worldwide at a glance
As of Nov 5, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for open source contact management software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source contact management software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,041 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Open source contact management software companies by location
4 lists · largest firstEvery Open source contact management software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “open source contact management software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source contact management software companies are there worldwide?
RevenueBase identified 587 company matches for open source contact management software companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Hubspot tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open source contact management software companies?
The United States leads with 117 companies, followed by India (63) and the United Kingdom (43). Every open source contact management software companies list by country and city is linked on this page.
Which city has the most open source contact management software companies?
Bangalore leads with 9 company records, followed by Noida (9) and Paris (9).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,041 professional contacts with verified work emails tracked across these 587 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 587 open source contact management software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 open source contact management software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 587 matching company records for open source contact management software companies worldwide, with 24,946 tracked contacts and 9,041 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 open source contact management software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hubspothubspot.comHQ: Cambridge, United StatesReported employees: 5,001-10,000 | Cambridge, United States | 5,001-10,000 | Exact match | 11,646 contacts → |
“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ODOOodoo.comHQ: Louvain-la-neuve, BelgiumReported employees: 5,001-10,000 | Louvain-la-neuve, Belgium | 5,001-10,000 | Exact match | 8,340 contacts → |
“Odoo is an open-source suite of integrated business applications actively programmed, supported, and organized by Odoo SA.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CAS Software AGcas.deHQ: Karlsruhe, GermanyReported employees: 201-500 | Karlsruhe, Germany | 201-500 | Exact match | 292 contacts → |
“The leading provider of CRM solutions for small and medium-sized enterprises In recent years, CAS Software AG has become the German, market-leading innovator for customer…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Superofficesuperoffice.comHQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 278 contacts → |
“Driven by a passion for helping SMBs build valuable, effortless customer relationships, SuperOffice is one of Europe’s most trusted CRM providers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Vtiger CRMvtiger.comHQ: Rajajinagar, TX, IndiaReported employees: 51-200 | Rajajinagar, TX, India | 51-200 | Exact match | 238 contacts → |
“Vtiger is a leading Cloud CRM solution architected on an industry leading Open Source Core.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Wealthboxwealthbox.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 166 contacts → |
“Wealthbox is CRM you’ll actually enjoy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Mirabel Technologiesmirabeltechnologies.comHQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 124 contacts → |
“Mirabel Technologies is a privately owned international software company that empowers businesses to grow.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Paramantraparamantra.comHQ: Charlestown, MA, United StatesReported employees: 51-200 | Charlestown, MA, United States | 51-200 | Exact match | 117 contacts → |
“Paramantra builds enterprise software.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Onfinity ERPviennaadvantage.comHQ: Zetel, GermanyReported employees: 51-200 | Zetel, Germany | 51-200 | Exact match | 95 contacts → |
“ERP Solutions * CRM Solutions * Document Management System (DMS)* Business Intelligence Solution * Point of Sale Solution (POS)* Application Development Framework VIENNA Advantage…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Payamgostar-پیام گسترpayamgostar.comHQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 87 contacts → |
“نرمافزار CRM پیامگستر جامعترین ارائهدهنده خدمات مدیریت ارتباط با مشتریان در ایران است که به سازمانها و کسبوکارها این امکان را میدهد تا تمامی اطلاعات مشتریان و چرخه فروش خود را…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Builder Primebuilderprime.comHQ: Denver, NY, United StatesReported employees: 51-200 | Denver, NY, United States | 51-200 | Exact match | 76 contacts → |
“Builder Prime is the all-in-one CRM built for growth-minded home improvement companies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Insightly CRM By Unbounceinsightly.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Insightly, the new breed of CRM, helps modern businesses of all sizes build lifelong customer relationships and grow faster than ever before.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Optimiseroptimiser.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Optimiser is a fully configurable business intelligence ecosystem that helps organisations manage relationships, operations, workflows, communications, and commercial activities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Salesgo CRM Technologiessalesgo.comHQ: IndiaReported employees: 11-50 | India | 11-50 | Exact match | 56 contacts → |
“Node Technologies is a product company and our product is called SalesGO ( SalesGO a mobile based sales force enablement product built on the ‘Salespeople First’ philosophy making…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Capsulecapsulecrm.comHQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 54 contacts → |
“Capsule was launched in 2009 following the founders' frustration with existing CRM services that were either overly simplistic or far too complex for most businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Livespacelivespace.ioHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 52 contacts → |
“Most CRM systems force you to adapt your sales process to your project.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cobra Gmbhcobra.deHQ: Konstanz, GermanyReported employees: 51-200 | Konstanz, Germany | 51-200 | Exact match | 46 contacts → |
“Die cobra GmbH aus Konstanz am Bodensee entwickelt und vertreibt seit über 40 Jahren innovative CRM Lösungen für eine effiziente Kundenbeziehung und rechtskonformes…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Phone Appli INCphoneappli.netHQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 43 contacts → |
“To realize a highly productive way of working Using web cloud technology to centralize management of employee and client contact information.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Clear C2, INCclearc2.comHQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 34 contacts → |
“Clear C2, Inc is based in Coppell, Texas, and is a leading technology company providing Customer Relationship Management(CRM) companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Less Annoying CRMlessannoyingcrm.comHQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 31 contacts → |
“Less Annoying CRM is a simple CRM built from the ground up for small businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Smark CRMsmark.com.brHQ: Porto Alegre, BrazilReported employees: 11-50 | Porto Alegre, Brazil | 11-50 | Exact match | 29 contacts → |
“A Smark é uma empresa focada em ajudar seus clientes a alcançarem o sucesso em suas estratégias de venda e relacionamento com o mercado.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Archie Europearchie.nlHQ: Oosthuizen, NetherlandsReported employees: 11-50 | Oosthuizen, Netherlands | 11-50 | Exact match | 26 contacts → |
“Archie Europe develops and implements advanced CRM software named Archie CRM.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Gold-Vision CRMgold-vision.comHQ: Northampton, United KingdomReported employees: 11-50 | Northampton, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Gold-Vision CRM is a highly configurable, user-friendly customer relationship management (CRM) platform designed to unify and streamline sales and marketing processes for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Eudonet Canada INCeudonet.comHQ: Montréal, QC, CanadaReported employees: 51-200 | Montréal, QC, Canada | 51-200 | Exact match | 26 contacts → |
“True pioneer in the edition and integration of cloud based CRM solutions; Eudonet helps organizations (SMB, Nonprofits, Cultural Institutions…) to improve their efficiency…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Onepagecrmonepagecrm.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 23 contacts → |
“OnePageCRM is an ultra-simple yet powerful CRM system built for small businesses in the consulting and professional services industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 587 company matches
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Open source contact management software companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
583 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 587 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Open source contact management software companies by location
4 lists · largest firstEvery Open source contact management software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source contact management software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open source contact management software companies did RevenueBase find worldwide?
The saved snapshot records 587 matching company records, 24,946 tracked contacts and 9,041 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 open source contact management software companies worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/open-source-contact-management-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 open source contact management software companies worldwide
RevenueBase records 587 matching company records for open source contact management software companies worldwide, with 24,946 tracked contacts and 9,041 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 open source contact management software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hubspothubspot.com HQ: Cambridge, United StatesReported employees: 5,001-10,000 | Cambridge, United States | 5,001-10,000 | Exact match | 11,646 contacts → |
“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ODOOodoo.com HQ: Louvain-la-neuve, BelgiumReported employees: 5,001-10,000 | Louvain-la-neuve, Belgium | 5,001-10,000 | Exact match | 8,340 contacts → |
“Odoo is an open-source suite of integrated business applications actively programmed, supported, and organized by Odoo SA.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CAS Software AGcas.de HQ: Karlsruhe, GermanyReported employees: 201-500 | Karlsruhe, Germany | 201-500 | Exact match | 292 contacts → |
“The leading provider of CRM solutions for small and medium-sized enterprises In recent years, CAS Software AG has become the German, market-leading innovator for customer…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Superofficesuperoffice.com HQ: Oslo, NorwayReported employees: 201-500 | Oslo, Norway | 201-500 | Exact match | 278 contacts → |
“Driven by a passion for helping SMBs build valuable, effortless customer relationships, SuperOffice is one of Europe’s most trusted CRM providers.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vtiger CRMvtiger.com HQ: Rajajinagar, TX, IndiaReported employees: 51-200 | Rajajinagar, TX, India | 51-200 | Exact match | 238 contacts → |
“Vtiger is a leading Cloud CRM solution architected on an industry leading Open Source Core.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Wealthboxwealthbox.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 166 contacts → |
“Wealthbox is CRM you’ll actually enjoy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Mirabel Technologiesmirabeltechnologies.com HQ: Fort Lauderdale, FL, United StatesReported employees: 51-200 | Fort Lauderdale, FL, United States | 51-200 | Exact match | 124 contacts → |
“Mirabel Technologies is a privately owned international software company that empowers businesses to grow.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Paramantraparamantra.com HQ: Charlestown, MA, United StatesReported employees: 51-200 | Charlestown, MA, United States | 51-200 | Exact match | 117 contacts → |
“Paramantra builds enterprise software.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Onfinity ERPviennaadvantage.com HQ: Zetel, GermanyReported employees: 51-200 | Zetel, Germany | 51-200 | Exact match | 95 contacts → |
“ERP Solutions * CRM Solutions * Document Management System (DMS)* Business Intelligence Solution * Point of Sale Solution (POS)* Application Development Framework VIENNA Advantage…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Payamgostar-پیام گسترpayamgostar.com HQ: Tehran, IranReported employees: 51-200 | Tehran, Iran | 51-200 | Exact match | 87 contacts → |
“نرمافزار CRM پیامگستر جامعترین ارائهدهنده خدمات مدیریت ارتباط با مشتریان در ایران است که به سازمانها و کسبوکارها این امکان را میدهد تا تمامی اطلاعات مشتریان و چرخه فروش خود را…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Builder Primebuilderprime.com HQ: Denver, NY, United StatesReported employees: 51-200 | Denver, NY, United States | 51-200 | Exact match | 76 contacts → |
“Builder Prime is the all-in-one CRM built for growth-minded home improvement companies.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Insightly CRM By Unbounceinsightly.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 68 contacts → |
“Insightly, the new breed of CRM, helps modern businesses of all sizes build lifelong customer relationships and grow faster than ever before.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Optimiseroptimiser.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Optimiser is a fully configurable business intelligence ecosystem that helps organisations manage relationships, operations, workflows, communications, and commercial activities…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Salesgo CRM Technologiessalesgo.com HQ: IndiaReported employees: 11-50 | India | 11-50 | Exact match | 56 contacts → |
“Node Technologies is a product company and our product is called SalesGO ( SalesGO a mobile based sales force enablement product built on the ‘Salespeople First’ philosophy making…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Capsulecapsulecrm.com HQ: Manchester, United KingdomReported employees: 11-50 | Manchester, United Kingdom | 11-50 | Exact match | 54 contacts → |
“Capsule was launched in 2009 following the founders' frustration with existing CRM services that were either overly simplistic or far too complex for most businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Livespacelivespace.io HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 52 contacts → |
“Most CRM systems force you to adapt your sales process to your project.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cobra Gmbhcobra.de HQ: Konstanz, GermanyReported employees: 51-200 | Konstanz, Germany | 51-200 | Exact match | 46 contacts → |
“Die cobra GmbH aus Konstanz am Bodensee entwickelt und vertreibt seit über 40 Jahren innovative CRM Lösungen für eine effiziente Kundenbeziehung und rechtskonformes…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Phone Appli INCphoneappli.net HQ: 港区, JapanReported employees: 201-500 | 港区, Japan | 201-500 | Exact match | 43 contacts → |
“To realize a highly productive way of working Using web cloud technology to centralize management of employee and client contact information.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Clear C2, INCclearc2.com HQ: Coppell, TX, United StatesReported employees: 51-200 | Coppell, TX, United States | 51-200 | Exact match | 34 contacts → |
“Clear C2, Inc is based in Coppell, Texas, and is a leading technology company providing Customer Relationship Management(CRM) companies of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Less Annoying CRMlessannoyingcrm.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 31 contacts → |
“Less Annoying CRM is a simple CRM built from the ground up for small businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Smark CRMsmark.com.br HQ: Porto Alegre, BrazilReported employees: 11-50 | Porto Alegre, Brazil | 11-50 | Exact match | 29 contacts → |
“A Smark é uma empresa focada em ajudar seus clientes a alcançarem o sucesso em suas estratégias de venda e relacionamento com o mercado.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Archie Europearchie.nl HQ: Oosthuizen, NetherlandsReported employees: 11-50 | Oosthuizen, Netherlands | 11-50 | Exact match | 26 contacts → |
“Archie Europe develops and implements advanced CRM software named Archie CRM.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Gold-Vision CRMgold-vision.com HQ: Northampton, United KingdomReported employees: 11-50 | Northampton, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Gold-Vision CRM is a highly configurable, user-friendly customer relationship management (CRM) platform designed to unify and streamline sales and marketing processes for…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Eudonet Canada INCeudonet.com HQ: Montréal, QC, CanadaReported employees: 51-200 | Montréal, QC, Canada | 51-200 | Exact match | 26 contacts → |
“True pioneer in the edition and integration of cloud based CRM solutions; Eudonet helps organizations (SMB, Nonprofits, Cultural Institutions…) to improve their efficiency…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Onepagecrmonepagecrm.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 23 contacts → |
“OnePageCRM is an ultra-simple yet powerful CRM system built for small businesses in the consulting and professional services industry.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 587 company matches
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Open source contact management software companies: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
583 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 587 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Open source contact management software companies by location
4 lists · largest firstEvery Open source contact management software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source contact management software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many open source contact management software companies did RevenueBase find worldwide?
The saved snapshot records 587 matching company records, 24,946 tracked contacts and 9,041 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 open source contact management software companies worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/open-source-contact-management-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗