Company lists · Data refreshed November 2026

Top 25 Open source erp software companies worldwide

RevenueBase identified 3,372 company matches for open source erp software companies worldwide as of November 2026 and tracks 63,432 professional contacts across them, including 13,703 with verified work emails. India is the largest market and Ahmedabad the largest hub.

This list covers company matches for open source erp 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 4, 2026. Country and city lists for open source erp 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
3,372Companies
63,432Contacts tracked
13,703Verified emails
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The 25 largest open source erp software companies worldwide

Ranked by team size
Top 25 of 3,372 company matches for open source erp software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLouvain-la-neuve, BelgiumHQ recorded Nov 4, 20265,001-10,0008,340 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 4, 2026 · View company records in RevenueBase
2Exact matchBangalore, IndiaHQ recorded Nov 4, 2026n/a3,613 contacts →

Exact match

“Tally Solutions Pvt.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchLisbon, United StatesHQ recorded Nov 4, 20261,001-5,0003,493 contacts →

Exact match

“Unit4's next-generation enterprise resource planning (ERP) solutions power many of the world's mid-market organizations, bringing together the capabilities of Financials…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchKocaeli, TürkiyeHQ recorded Nov 4, 20261,001-5,0001,715 contacts →

Exact match

“Türkiye’nin en büyük yerli iş yazılımı şirketi Logo Yazılım, kurulduğu 1984 yılından bu yana sektörün öncü şirketlerinden biri olarak faaliyetlerini sürdürüyor.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchSao Paulo, BrazilHQ recorded Nov 4, 20261,001-5,0001,672 contacts →

Exact match

“Há 28 anos, a Benner transforma a gestão das empresas com tecnologia e inovação.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchWestlake, TX, United StatesHQ recorded Nov 4, 20261,001-5,0001,578 contacts →

Exact match

“For 25+ years, ECI has helped businesses around the world grow with industry-specific, cloud-based ERP.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchBellevue, United StatesHQ recorded Nov 4, 2026501-1,000811 contacts →

Exact match

“Acumatica Cloud ERP is a comprehensive business management solution designed for today's digital economy.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchKuala Lumpur, SingaporeHQ recorded Nov 4, 2026501-1,000768 contacts →

Exact match

“HashMicro is a leading ERP provider in the Asia Pacific that helps businesses scale smarter, faster, and with greater confidence.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchNew Delhi, IndiaHQ recorded Nov 4, 2026501-1,000701 contacts →

Exact match

“BUSY is a leading accounting software solution trusted by Businesses to efficiently manage accounting, billing, inventory, GST compliance, and business operations.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchNoida, IndiaHQ recorded Nov 4, 2026501-1,000666 contacts →

Exact match

“Webkul is one of the largest self-created open-source marketplaces in the world.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchNovo Hamburgo, BrazilHQ recorded Nov 4, 20261,001-5,000593 contacts →

Exact match

“A CIGAM amplia sua experiência no desenvolvimento de software de gestão empresarial desde 1986.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchTangerang Selatan, IndonesiaHQ recorded Nov 4, 202651-200571 contacts →

Exact match

“Accurate is a business software to run, manage, and monitor the business with ease.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchTel Aviv, NJ, IsraelHQ recorded Nov 4, 2026501-1,000478 contacts →

Exact match

“Priority, trusted by over customers, delivers scalable, cloud-based business management solutions powered by AWS.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchHungerford, United KingdomHQ recorded Nov 4, 20261,001-5,000450 contacts →

Exact match

“Kerridge Commercial Systems provides specialist ERP, Business and Retail Management Software, Services and Support to Distributors, Wholesalers, Retailers and the Hiring industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchMons, BelgiumHQ recorded Nov 4, 2026n/a367 contacts →

Exact match

“BHC is a professional IT Services company.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchBuenos Aires, ArgentinaHQ recorded Nov 4, 2026201-500366 contacts →

Exact match

“Somos la empresa líder del mercado ERP en Argentina.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchZug, SwitzerlandHQ recorded Nov 4, 2026201-500310 contacts →

Exact match

“IAS is founded in Karlsruhe, Germany in 1989 by a handful of talented and dedicated people.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchItu, BrazilHQ recorded Nov 4, 20261,001-5,000296 contacts →

Exact match

“A MEGA Sistemas Corporativos foi fundada em 1985 e desenvolve Sistemas de Gestão Empresarial (ERP), para os segmentos de Construção Civil, Indústrias, Combustíveis, Transporte e…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchKarlsruhe, GermanyHQ recorded Nov 4, 2026501-1,000258 contacts →

Exact match

“Since our founding in 1980, Abas has been a visionary and pioneer in the field of business software for production-related companies.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchLancaster, PA, United StatesHQ recorded Nov 4, 202651-200246 contacts →

Exact match

“Cargas is an employee-owned software company offering ERP and CRM software from Acumatica, Microsoft, Sage, Salesforce, and HubSpot, as well as custom-developed solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 4, 202651-200217 contacts →

Exact match

“About Nebim With its experience and know-how accumulated since 1966, Nebim is one of Turkey’s most well-established independent software companies and has been supporting the…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchSolna, CA, SwedenHQ recorded Nov 4, 2026201-500202 contacts →

Exact match

“Iptor is a global leader in cloud-based ERP software, empowering distribution, manufacturing, and warehousing businesses to operate smarter, faster, and more efficiently.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchNovi, MI, United StatesHQ recorded Nov 4, 202651-200192 contacts →

Exact match

“CORtracker is agile, 360° ERP Software of business management solutions for various industries and organizations of all sizes, from big to small and growing businesses.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchCriciúma, BrazilHQ recorded Nov 4, 202651-200183 contacts →

Exact match

“Fiel a sua missão, a Agrosys foi a primeira empresa a lançar no mercado um ERP totalmente voltado para a gestão do agronegócio.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchRajkot, IndiaHQ recorded Nov 4, 202651-200182 contacts →

Exact match

“RKIT Software Pvt.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 25 of 3,372 open source erp software companies worldwide

See the full list, filter by size, metro and specialty, and access 13,703 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Open source erp software companies worldwide at a glance

As of Nov 4, 2026
21.6%Verified-email coverage
18.8Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Ahmedabad
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
1,544
11-50
1,368
51-200
318
201-500
54
501-1,000
25
1,001-5,000
12
5,001-10,000
1
10001+
8

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 erp software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “open source erp 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 13,703 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 4, 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 erp software companies by location

28 lists · largest first

Every Open source erp software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 erp software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many open source erp software companies are there worldwide?

RevenueBase identified 3,372 company matches for open source erp 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?

ODOO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most open source erp software companies?

India leads with 441 companies, followed by Brazil (349) and the United States (185). Every open source erp software companies list by country and city is linked on this page.

Which city has the most open source erp software companies?

Ahmedabad leads with 45 company records, followed by Sao Paulo (41) and Dubai (36).

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 13,703 professional contacts with verified work emails tracked across these 3,372 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 4, 2026.

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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.