Company lists · Data refreshed November 2026
Top 25 Open source contact management software companies based in the United States
RevenueBase identified 117 company matches for open source contact management software companies associated with the United States as of November 2026 and tracks 1,414 professional contacts across them, including 381 with verified work emails. New York is the largest hub.
This list covers company matches for open source contact management software companies associated with the United States, 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.
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 based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 117 contacts → | ||||
Exact match “Paramantra builds enterprise software.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 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 | |||||
| 5 | 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 | |||||
| 6 | 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 | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 19 contacts → | ||||
Exact match “eWay-CRM is the best CRM for Microsoft Outlook.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 18 contacts → | ||||
Exact match “Claritysoft helps growing businesses manage customer relationships with ease.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 18 contacts → | ||||
Exact match “Avidian was founded in 2005 in the Seattle Metropolitan area by a diverse team of sales, business, and technical professionals, passionate about creating a user-friendly CRM.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Today, B2B companies are forced to integrate a patchwork of apps for sales, document signatures, making calls, analytics, reporting, event management, and more?” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “Commence Corporation is a leading provider of Customer Relationship Management Software serving small to mid-size enterprises.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “SalesOptima is an online Customer Relationship Management (CRM) service that conveniently enables you to organize, manage, and nurture your customer contacts in the office or on…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Mautic empowers businesses and organizations to deliver fully integrated marketing campaigns with a world-class open source marketing automation product, supported by a thriving…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “CRMBOOST provides tools and services to help businesses manage their prospective leads and clients, and help them use the internet to market their products and services…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “GoldMine CRM (Ivanti) is a leading provider of Customer Relationship Management (CRM) solutions for small businesses.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “ComputerWorks is a CMMI® Level 2 rated software developer, headquartered in beautiful upstate New York.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “EQUP is all-in-one CRM software that empowers businesses of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “AllClients provides simple contact management and marketing automation in one, easy-to-use system.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “iEnterprises provides intelligent CRM, Social and Mobile products and tools to allow our customers to build better relationships and work more intelligently with their own…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Running a business shouldn't mean running fifteen apps.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “All-In-One CRM, PM and Business Management Platform Bring ALL your data and processes into one scalable platform, with a dedicated Cloud-Based database.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “At, our mission is to provide small business owners and entrepreneurs with a user friendly and all-inclusive platform that simplifies operations and helps them grow their brand.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “X2Engine launched in 2011, and we are now one of the fastest-growing CRM companies, with more than deployments worldwide.” 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 117 open source contact management software companies based in the United States
See the full list, filter by size, metro and specialty, and access 381 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source contact management software companies based in the United States at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 117 companies.
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.
- What qualifies
- Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 381 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.
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 based in the United States?
RevenueBase identified 117 company matches for open source contact management software companies associated with the United States 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?
Wealthbox tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most open source contact management software companies?
New York leads with 5 company records, followed by San Francisco (5) and Dallas (3).
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 381 professional contacts with verified work emails tracked across these 117 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 117 open source contact management software companies based in the United States. Start with a free account, no credit card.
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Open source contact management software companies by geography
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Open source contact management software companies based in France
- Open source contact management software companies based in India
- Open source contact management software companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 open source contact management software companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 117 matching company records for open source contact management software companies based in the United States, with 1,414 tracked contacts and 381 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 based in the United States
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 |  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. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  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. | |||||
| 7 |  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. | |||||
| 8 |  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. | |||||
| 9 |  Eway-Crmeway-crm.comHQ: Kansas City, MO, United StatesReported employees: 11-50 | Kansas City, MO, United States | 11-50 | Exact match | 19 contacts → |
“eWay-CRM is the best CRM for Microsoft Outlook.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Claritysoft CRMclaritysoft.comHQ: Dublin, OH, United StatesReported employees: 11-50 | Dublin, OH, United States | 11-50 | Exact match | 18 contacts → |
“Claritysoft helps growing businesses manage customer relationships with ease.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Avidian Technologiesavidian.comHQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 18 contacts → |
“Avidian was founded in 2005 in the Seattle Metropolitan area by a diverse team of sales, business, and technical professionals, passionate about creating a user-friendly CRM.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Upilotupilot.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 13 contacts → |
“Today, B2B companies are forced to integrate a patchwork of apps for sales, document signatures, making calls, analytics, reporting, event management, and more?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Commence Corporationcommence.comHQ: Eatontown, NJ, United StatesReported employees: 11-50 | Eatontown, NJ, United States | 11-50 | Exact match | 12 contacts → |
“Commence Corporation is a leading provider of Customer Relationship Management Software serving small to mid-size enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Salesoptimasalesoptima.comHQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 11 contacts → |
“SalesOptima is an online Customer Relationship Management (CRM) service that conveniently enables you to organize, manage, and nurture your customer contacts in the office or on…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mautic Marketing Automationmautic.orgHQ: Covina, CA, United StatesReported employees: 1-10 | Covina, CA, United States | 1-10 | Exact match | 11 contacts → |
“Mautic empowers businesses and organizations to deliver fully integrated marketing campaigns with a world-class open source marketing automation product, supported by a thriving…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Crmboostcrmboost.comHQ: Miami Lakes, FL, United StatesReported employees: 1-10 | Miami Lakes, FL, United States | 1-10 | Exact match | 9 contacts → |
“CRMBOOST provides tools and services to help businesses manage their prospective leads and clients, and help them use the internet to market their products and services…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Goldmine CRMgoldmine.comHQ: South Jordan, NJ, United StatesReported employees: 501-1,000 | South Jordan, NJ, United States | 501-1,000 | Exact match | 9 contacts → |
“GoldMine CRM (Ivanti) is a leading provider of Customer Relationship Management (CRM) solutions for small businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Computerworks, INCcomputerworks.comHQ: Albany, NY, United StatesReported employees: 11-50 | Albany, NY, United States | 11-50 | Exact match | 8 contacts → |
“ComputerWorks is a CMMI® Level 2 rated software developer, headquartered in beautiful upstate New York.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  EQUPequp.comHQ: Boca Raton, FL, United StatesReported employees: 1-10 | Boca Raton, FL, United States | 1-10 | Exact match | 6 contacts → |
“EQUP is all-in-one CRM software that empowers businesses of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Allclientsallclients.comHQ: Sparks, NV, United StatesReported employees: 1-10 | Sparks, NV, United States | 1-10 | Exact match | 5 contacts → |
“AllClients provides simple contact management and marketing automation in one, easy-to-use system.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ienterprisesienterprises.comHQ: Piscataway, NJ, United StatesReported employees: 51-200 | Piscataway, NJ, United States | 51-200 | Exact match | 5 contacts → |
“iEnterprises provides intelligent CRM, Social and Mobile products and tools to allow our customers to build better relationships and work more intelligently with their own…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Pinnacle AIgetpinnacle.aiHQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 5 contacts → |
“Running a business shouldn't mean running fifteen apps.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Looceyloocey.comHQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 5 contacts → |
“All-In-One CRM, PM and Business Management Platform Bring ALL your data and processes into one scalable platform, with a dedicated Cloud-Based database.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  True Client PROtrueclientpro.comHQ: New York, United StatesReported employees: 1-10 | New York, United States | 1-10 | Exact match | 5 contacts → |
“At, our mission is to provide small business owners and entrepreneurs with a user friendly and all-inclusive platform that simplifies operations and helps them grow their brand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  X2enginex2engine.comHQ: San Francisco, CO, United StatesReported employees: 11-50 | San Francisco, CO, United States | 11-50 | Exact match | 4 contacts → |
“X2Engine launched in 2011, and we are now one of the fastest-growing CRM companies, with more than deployments worldwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 117 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
117 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 117 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 ↗
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 based in the United States?
The saved snapshot records 117 matching company records, 1,414 tracked contacts and 381 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.
Related lists
Open source contact management software companies by geography
Cite this list
RevenueBase Data Team. Top 25 open source contact management software companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/open-source-contact-management-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Open source contact management software companies based in France
- Open source contact management software companies based in India
- Open source contact management software companies based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 open source contact management software companies based in the United States
RevenueBase records 117 matching company records for open source contact management software companies based in the United States, with 1,414 tracked contacts and 381 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 based in the United States
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 | 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. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | 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. | |||||
| 7 | 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. | |||||
| 8 | 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. | |||||
| 9 | Eway-Crmeway-crm.com HQ: Kansas City, MO, United StatesReported employees: 11-50 | Kansas City, MO, United States | 11-50 | Exact match | 19 contacts → |
“eWay-CRM is the best CRM for Microsoft Outlook.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Claritysoft CRMclaritysoft.com HQ: Dublin, OH, United StatesReported employees: 11-50 | Dublin, OH, United States | 11-50 | Exact match | 18 contacts → |
“Claritysoft helps growing businesses manage customer relationships with ease.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Avidian Technologiesavidian.com HQ: Bellevue, WA, United StatesReported employees: 11-50 | Bellevue, WA, United States | 11-50 | Exact match | 18 contacts → |
“Avidian was founded in 2005 in the Seattle Metropolitan area by a diverse team of sales, business, and technical professionals, passionate about creating a user-friendly CRM.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Upilotupilot.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 13 contacts → |
“Today, B2B companies are forced to integrate a patchwork of apps for sales, document signatures, making calls, analytics, reporting, event management, and more?” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Commence Corporationcommence.com HQ: Eatontown, NJ, United StatesReported employees: 11-50 | Eatontown, NJ, United States | 11-50 | Exact match | 12 contacts → |
“Commence Corporation is a leading provider of Customer Relationship Management Software serving small to mid-size enterprises.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Salesoptimasalesoptima.com HQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 11 contacts → |
“SalesOptima is an online Customer Relationship Management (CRM) service that conveniently enables you to organize, manage, and nurture your customer contacts in the office or on…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mautic Marketing Automationmautic.org HQ: Covina, CA, United StatesReported employees: 1-10 | Covina, CA, United States | 1-10 | Exact match | 11 contacts → |
“Mautic empowers businesses and organizations to deliver fully integrated marketing campaigns with a world-class open source marketing automation product, supported by a thriving…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Crmboostcrmboost.com HQ: Miami Lakes, FL, United StatesReported employees: 1-10 | Miami Lakes, FL, United States | 1-10 | Exact match | 9 contacts → |
“CRMBOOST provides tools and services to help businesses manage their prospective leads and clients, and help them use the internet to market their products and services…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Goldmine CRMgoldmine.com HQ: South Jordan, NJ, United StatesReported employees: 501-1,000 | South Jordan, NJ, United States | 501-1,000 | Exact match | 9 contacts → |
“GoldMine CRM (Ivanti) is a leading provider of Customer Relationship Management (CRM) solutions for small businesses.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Computerworks, INCcomputerworks.com HQ: Albany, NY, United StatesReported employees: 11-50 | Albany, NY, United States | 11-50 | Exact match | 8 contacts → |
“ComputerWorks is a CMMI® Level 2 rated software developer, headquartered in beautiful upstate New York.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EQUPequp.com HQ: Boca Raton, FL, United StatesReported employees: 1-10 | Boca Raton, FL, United States | 1-10 | Exact match | 6 contacts → |
“EQUP is all-in-one CRM software that empowers businesses of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Allclientsallclients.com HQ: Sparks, NV, United StatesReported employees: 1-10 | Sparks, NV, United States | 1-10 | Exact match | 5 contacts → |
“AllClients provides simple contact management and marketing automation in one, easy-to-use system.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ienterprisesienterprises.com HQ: Piscataway, NJ, United StatesReported employees: 51-200 | Piscataway, NJ, United States | 51-200 | Exact match | 5 contacts → |
“iEnterprises provides intelligent CRM, Social and Mobile products and tools to allow our customers to build better relationships and work more intelligently with their own…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Pinnacle AIgetpinnacle.ai HQ: Nashville, TN, United StatesReported employees: 11-50 | Nashville, TN, United States | 11-50 | Exact match | 5 contacts → |
“Running a business shouldn't mean running fifteen apps.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Looceyloocey.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 5 contacts → |
“All-In-One CRM, PM and Business Management Platform Bring ALL your data and processes into one scalable platform, with a dedicated Cloud-Based database.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | True Client PROtrueclientpro.com HQ: New York, United StatesReported employees: 1-10 | New York, United States | 1-10 | Exact match | 5 contacts → |
“At, our mission is to provide small business owners and entrepreneurs with a user friendly and all-inclusive platform that simplifies operations and helps them grow their brand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | X2enginex2engine.com HQ: San Francisco, CO, United StatesReported employees: 11-50 | San Francisco, CO, United States | 11-50 | Exact match | 4 contacts → |
“X2Engine launched in 2011, and we are now one of the fastest-growing CRM companies, with more than deployments worldwide.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 117 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
117 records in the displayed employee bands.
0 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 117 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 ↗
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 based in the United States?
The saved snapshot records 117 matching company records, 1,414 tracked contacts and 381 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.
Related lists
Open source contact management software companies by geography
Cite this list
RevenueBase Data Team. Top 25 open source contact management software companies based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/open-source-contact-management-software-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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