Company lists · Data refreshed November 2026
Top 25 Open source software nonprofits worldwide
RevenueBase identified 1,118 company matches for open source software nonprofits worldwide as of November 2026 and tracks 11,489 professional contacts across them, including 1,430 with verified work emails. The United States is the largest market and Berlin the largest hub.
This list covers company matches for open source software nonprofits 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 software nonprofits 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 software nonprofits worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,207 contacts → | ||||
Exact match “The Apache Software Foundation (ASF) is the global home for open source software, powering some of the world’s most ubiquitous software projects including Apache Airflow, Apache…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 866 contacts → | ||||
Exact match “The Linux Foundation is the organization of choice for the world's top developers and companies to build ecosystems that accelerate open technology development and commercial…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 282 contacts → | ||||
Exact match “Meridian Cooperative is now part of National Information Solutions Cooperative (NISC).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 149 contacts → | ||||
Exact match “Notre Mission est depuis 20 ans, d’inventer et de développer les Logiciels Libres et Open Source éthiques (ce que nous appelons la « GoodTech ») pour participer à changer le Monde…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 139 contacts → | ||||
Exact match “Software DELSOL, S.A.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 123 contacts → | ||||
Exact match “Frappe creates 100% open source software to help businesses grow sustainably.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 117 contacts → | ||||
Exact match “We killed software licensing fees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 116 contacts → | ||||
Exact match “Hack4Impact-UMD aims to leverage software by engaging students to promote social change.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 115 contacts → | ||||
Exact match “HeroDevs is the industry experts on “life after end-of-life” for open-source software.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 97 contacts → | ||||
Exact match “We help agencies improve lives through open software and thoughtful experiences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 79 contacts → | ||||
Exact match “The GNOME Foundation is the GNOME Project's official non-profit corporation It provides essential functions and support for GNOME, including managing the project's funds and legal…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 67 contacts → | ||||
Exact match “Contribute to the best open-source projects.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 65 contacts → | ||||
Exact match “Open Source Foundation of Pakistan (OSFP) is a non-profit organization which aims at revolutionize Pakistani Information Technology echo system with globally renowned Open source…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 64 contacts → | ||||
Exact match “ICFOSS is an autonomous institution under the Government of Kerala, mandated with the objectives of co-ordinating FOSS initiatives within Kerala, as well as linking up with FOSS…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 54 contacts → | ||||
Exact match “Since 2007 We have been providing cutting-edge enterprise solutions with free and open source softwares.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 50 contacts → | ||||
Exact match “Open source is a development method for software that harnesses the power of distributed peer review and transparency of process.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 45 contacts → | ||||
Exact match “Open Solutions for Education (OS4Ed) is a provider of open solutions designed specifically to support the day to day management of schools and districts.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 43 contacts → | ||||
Exact match “The Jordan Open Source Association (JOSA) is a non-profit organization that works for the promotion and implementation of the Open Source principles in Jordan.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 41 contacts → | ||||
Exact match “Ozgur Software Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 41 contacts → | ||||
Exact match “Magenta arbejder udelukkende med open source og har som kerneydelse at skabe åbne og ansvarlige it-løsninger.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 37 contacts → | ||||
Exact match “Lyra Infosystems is a trusted leader in enterprise open source solutions, dedicated to empowering businesses worldwide to thrive in today's dynamic digital landscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 37 contacts → | ||||
Exact match “FOSSASIA develops Open Source software and hardware solutions with a global developer community from its base in Asia and organizes Open Technology events around the year.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 37 contacts → | ||||
Exact match “We are a not-for-profit organization focused on open source software development, innovation and education.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 36 contacts → | ||||
Exact match “Kaleidos is an international Madrid-based venture infused with private capital.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 36 contacts → | ||||
Exact match “Pioneering brand in the conception of "open source" events.” 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 software nonprofits”. 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 1,118 open source software nonprofits worldwide
See the full list, filter by size, metro and specialty, and access 1,430 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source software nonprofits 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 software nonprofits are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source software nonprofits” 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 1,430 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 software nonprofits by location
5 lists · largest firstEvery Open source software nonprofits 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 software nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source software nonprofits are there worldwide?
RevenueBase identified 1,118 company matches for open source software nonprofits 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?
The Apache Software Foundation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open source software nonprofits?
The United States leads with 161 companies, followed by India (108) and the United Kingdom (34). Every open source software nonprofits list by country and city is linked on this page.
Which city has the most open source software nonprofits?
Berlin leads with 18 company records, followed by London (15) and Bangalore (11).
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 1,430 professional contacts with verified work emails tracked across these 1,118 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 1,118 open source software nonprofits 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.
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Company intelligence · public preview
Top 25 open source software nonprofits worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,118 matching company records for open source software nonprofits worldwide, with 11,489 tracked contacts and 1,430 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 software nonprofits 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 |  The Apache Software Foundationapache.orgHQ: Wilmington, DE, United StatesReported employees: 5,001-10,000 | Wilmington, DE, United States | 5,001-10,000 | Exact match | 1,207 contacts → |
“The Apache Software Foundation (ASF) is the global home for open source software, powering some of the world’s most ubiquitous software projects including Apache Airflow, Apache…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  The Linux Foundationlinuxfoundation.orgHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 866 contacts → |
“The Linux Foundation is the organization of choice for the world's top developers and companies to build ecosystems that accelerate open technology development and commercial…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Meridian Cooperativemeridian.coopHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 282 contacts → |
“Meridian Cooperative is now part of National Information Solutions Cooperative (NISC).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Linagoralinagora.comHQ: Issy-les-moulineaux, FranceReported employees: 201-500 | Issy-les-moulineaux, France | 201-500 | Exact match | 149 contacts → |
“Notre Mission est depuis 20 ans, d’inventer et de développer les Logiciels Libres et Open Source éthiques (ce que nous appelons la « GoodTech ») pour participer à changer le Monde…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Teamsystem Software Delsolsdelsol.comHQ: Mengíbar, SpainReported employees: 51-200 | Mengíbar, Spain | 51-200 | Exact match | 139 contacts → |
“Software DELSOL, S.A.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Frappefrappe.ioHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 123 contacts → |
“Frappe creates 100% open source software to help businesses grow sustainably.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Combined Ratio Solutionscombinedratio.comHQ: Providence, United StatesReported employees: 201-500 | Providence, United States | 201-500 | Exact match | 117 contacts → |
“We killed software licensing fees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Hack4impact-Umdumd.hack4impact.orgHQ: College Park, MD, United StatesReported employees: 51-200 | College Park, MD, United States | 51-200 | Exact match | 116 contacts → |
“Hack4Impact-UMD aims to leverage software by engaging students to promote social change.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Herodevsherodevs.comHQ: Sandy, UT, United StatesReported employees: 51-200 | Sandy, UT, United States | 51-200 | Exact match | 115 contacts → |
“HeroDevs is the industry experts on “life after end-of-life” for open-source software.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Civicactionscivicactions.comHQ: Lafayette, CA, United StatesReported employees: 51-200 | Lafayette, CA, United States | 51-200 | Exact match | 97 contacts → |
“We help agencies improve lives through open software and thoughtful experiences.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gnome Foundationfoundation.gnome.orgHQ: Orinda, United StatesReported employees: Not recorded | Orinda, United States | Not recorded | Exact match | 79 contacts → |
“The GNOME Foundation is the GNOME Project's official non-profit corporation It provides essential functions and support for GNOME, including managing the project's funds and legal…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Only Dustonlydust.xyzHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 67 contacts → |
“Contribute to the best open-source projects.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Open Source Foundation Of Pakistanosfp.org.pkHQ: Islamabad, PakistanReported employees: 11-50 | Islamabad, Pakistan | 11-50 | Exact match | 65 contacts → |
“Open Source Foundation of Pakistan (OSFP) is a non-profit organization which aims at revolutionize Pakistani Information Technology echo system with globally renowned Open source…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: IndiaReported employees: Not recorded | India | Not recorded | Exact match | 64 contacts → |
“ICFOSS is an autonomous institution under the Government of Kerala, mandated with the objectives of co-ordinating FOSS initiatives within Kerala, as well as linking up with FOSS…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Profelisprofelis.com.trHQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 54 contacts → |
“Since 2007 We have been providing cutting-edge enterprise solutions with free and open source softwares.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Open Source Initiative OSIopensource.orgHQ: Palo Alto, CA, United StatesReported employees: Not recorded | Palo Alto, CA, United States | Not recorded | Exact match | 50 contacts → |
“Open source is a development method for software that harnesses the power of distributed peer review and transparency of process.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Os4edos4ed.comHQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 45 contacts → |
“Open Solutions for Education (OS4Ed) is a provider of open solutions designed specifically to support the day to day management of schools and districts.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Amman, JordanReported employees: 11-50 | Amman, Jordan | 11-50 | Exact match | 43 contacts → |
“The Jordan Open Source Association (JOSA) is a non-profit organization that works for the promotion and implementation of the Open Source principles in Jordan.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Özgür Yazılım A.Şozguryazilim.com.trHQ: İstanbul, TürkiyeReported employees: 11-50 | İstanbul, Türkiye | 11-50 | Exact match | 41 contacts → |
“Ozgur Software Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Magentamagenta.dkHQ: Copenhagen, DenmarkReported employees: 11-50 | Copenhagen, Denmark | 11-50 | Exact match | 41 contacts → |
“Magenta arbejder udelukkende med open source og har som kerneydelse at skabe åbne og ansvarlige it-løsninger.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Lyra Infosystemslyrainfo.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 37 contacts → |
“Lyra Infosystems is a trusted leader in enterprise open source solutions, dedicated to empowering businesses worldwide to thrive in today's dynamic digital landscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Fossasiafossasia.orgHQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 37 contacts → |
“FOSSASIA develops Open Source software and hardware solutions with a global developer community from its base in Asia and organizes Open Technology events around the year.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aossieaossie.orgHQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 37 contacts → |
“We are a not-for-profit organization focused on open source software development, innovation and education.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Kaleidoskaleidos.netHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 36 contacts → |
“Kaleidos is an international Madrid-based venture infused with private capital.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Focus Eventsfocus.esHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 36 contacts → |
“Pioneering brand in the conception of "open source" events.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,118 company matches
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Open source software nonprofits: 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
1,112 records in the displayed employee bands.
6 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 1,118 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 software nonprofits by location
5 lists · largest firstEvery Open source software nonprofits 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 software nonprofits?
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 software nonprofits did RevenueBase find worldwide?
The saved snapshot records 1,118 matching company records, 11,489 tracked contacts and 1,430 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 software nonprofits worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/open-source-software-nonprofits.
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 software nonprofits worldwide
RevenueBase records 1,118 matching company records for open source software nonprofits worldwide, with 11,489 tracked contacts and 1,430 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 software nonprofits 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 | The Apache Software Foundationapache.org HQ: Wilmington, DE, United StatesReported employees: 5,001-10,000 | Wilmington, DE, United States | 5,001-10,000 | Exact match | 1,207 contacts → |
“The Apache Software Foundation (ASF) is the global home for open source software, powering some of the world’s most ubiquitous software projects including Apache Airflow, Apache…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | The Linux Foundationlinuxfoundation.org HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 866 contacts → |
“The Linux Foundation is the organization of choice for the world's top developers and companies to build ecosystems that accelerate open technology development and commercial…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Meridian Cooperativemeridian.coop HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 282 contacts → |
“Meridian Cooperative is now part of National Information Solutions Cooperative (NISC).” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Linagoralinagora.com HQ: Issy-les-moulineaux, FranceReported employees: 201-500 | Issy-les-moulineaux, France | 201-500 | Exact match | 149 contacts → |
“Notre Mission est depuis 20 ans, d’inventer et de développer les Logiciels Libres et Open Source éthiques (ce que nous appelons la « GoodTech ») pour participer à changer le Monde…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Teamsystem Software Delsolsdelsol.com HQ: Mengíbar, SpainReported employees: 51-200 | Mengíbar, Spain | 51-200 | Exact match | 139 contacts → |
“Software DELSOL, S.A.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Frappefrappe.io HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 123 contacts → |
“Frappe creates 100% open source software to help businesses grow sustainably.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Combined Ratio Solutionscombinedratio.com HQ: Providence, United StatesReported employees: 201-500 | Providence, United States | 201-500 | Exact match | 117 contacts → |
“We killed software licensing fees.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hack4impact-Umdumd.hack4impact.org HQ: College Park, MD, United StatesReported employees: 51-200 | College Park, MD, United States | 51-200 | Exact match | 116 contacts → |
“Hack4Impact-UMD aims to leverage software by engaging students to promote social change.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Herodevsherodevs.com HQ: Sandy, UT, United StatesReported employees: 51-200 | Sandy, UT, United States | 51-200 | Exact match | 115 contacts → |
“HeroDevs is the industry experts on “life after end-of-life” for open-source software.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Civicactionscivicactions.com HQ: Lafayette, CA, United StatesReported employees: 51-200 | Lafayette, CA, United States | 51-200 | Exact match | 97 contacts → |
“We help agencies improve lives through open software and thoughtful experiences.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gnome Foundationfoundation.gnome.org HQ: Orinda, United StatesReported employees: Not recorded | Orinda, United States | Not recorded | Exact match | 79 contacts → |
“The GNOME Foundation is the GNOME Project's official non-profit corporation It provides essential functions and support for GNOME, including managing the project's funds and legal…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Only Dustonlydust.xyz HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 67 contacts → |
“Contribute to the best open-source projects.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Open Source Foundation Of Pakistanosfp.org.pk HQ: Islamabad, PakistanReported employees: 11-50 | Islamabad, Pakistan | 11-50 | Exact match | 65 contacts → |
“Open Source Foundation of Pakistan (OSFP) is a non-profit organization which aims at revolutionize Pakistani Information Technology echo system with globally renowned Open source…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: IndiaReported employees: Not recorded | India | Not recorded | Exact match | 64 contacts → |
“ICFOSS is an autonomous institution under the Government of Kerala, mandated with the objectives of co-ordinating FOSS initiatives within Kerala, as well as linking up with FOSS…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Profelisprofelis.com.tr HQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 54 contacts → |
“Since 2007 We have been providing cutting-edge enterprise solutions with free and open source softwares.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Open Source Initiative OSIopensource.org HQ: Palo Alto, CA, United StatesReported employees: Not recorded | Palo Alto, CA, United States | Not recorded | Exact match | 50 contacts → |
“Open source is a development method for software that harnesses the power of distributed peer review and transparency of process.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Os4edos4ed.com HQ: Atlanta, GA, United StatesReported employees: 11-50 | Atlanta, GA, United States | 11-50 | Exact match | 45 contacts → |
“Open Solutions for Education (OS4Ed) is a provider of open solutions designed specifically to support the day to day management of schools and districts.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Amman, JordanReported employees: 11-50 | Amman, Jordan | 11-50 | Exact match | 43 contacts → |
“The Jordan Open Source Association (JOSA) is a non-profit organization that works for the promotion and implementation of the Open Source principles in Jordan.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Özgür Yazılım A.Şozguryazilim.com.tr HQ: İstanbul, TürkiyeReported employees: 11-50 | İstanbul, Türkiye | 11-50 | Exact match | 41 contacts → |
“Ozgur Software Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Magentamagenta.dk HQ: Copenhagen, DenmarkReported employees: 11-50 | Copenhagen, Denmark | 11-50 | Exact match | 41 contacts → |
“Magenta arbejder udelukkende med open source og har som kerneydelse at skabe åbne og ansvarlige it-løsninger.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Lyra Infosystemslyrainfo.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 37 contacts → |
“Lyra Infosystems is a trusted leader in enterprise open source solutions, dedicated to empowering businesses worldwide to thrive in today's dynamic digital landscape.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Fossasiafossasia.org HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 37 contacts → |
“FOSSASIA develops Open Source software and hardware solutions with a global developer community from its base in Asia and organizes Open Technology events around the year.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aossieaossie.org HQ: Canberra, AustraliaReported employees: 11-50 | Canberra, Australia | 11-50 | Exact match | 37 contacts → |
“We are a not-for-profit organization focused on open source software development, innovation and education.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Kaleidoskaleidos.net HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 36 contacts → |
“Kaleidos is an international Madrid-based venture infused with private capital.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Focus Eventsfocus.es HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 36 contacts → |
“Pioneering brand in the conception of "open source" events.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,118 company matches
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Open source software nonprofits: 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
1,112 records in the displayed employee bands.
6 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 1,118 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 software nonprofits by location
5 lists · largest firstEvery Open source software nonprofits 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 software nonprofits?
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 software nonprofits did RevenueBase find worldwide?
The saved snapshot records 1,118 matching company records, 11,489 tracked contacts and 1,430 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 software nonprofits worldwide. Snapshot: November 5, 2026. https://revenuebase.ai/companies/browse/open-source-software-nonprofits.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗