Company lists · Data refreshed September 2026

Top 25 Volunteer software development companies worldwide

Name: Volunteer software development companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 23,225 companies tracked

RevenueBase identified 23,225 company matches for volunteer software development companies worldwide as of September 2026 and tracks 239,281 professional contacts across them, including 37,531 with verified work emails. India is the largest market and Ahmedabad the largest hub.

This list covers company matches for volunteer software development 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 September 29, 2026. Country and city lists for volunteer software development 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 Sep 29, 2026 How this list was built

23,225Companies

239,281Contacts tracked

37,531Verified emails

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The 25 largest volunteer software development companies worldwide

Ranked by team size

Top 25 of 23,225 company matches for volunteer software development companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	TMA Solutions	Exact match	Ho Chi Minh, VietnamHQ recorded Sep 29, 2026	1,001-5,000	3,002 contacts →
	Exact match “TMA is a leading software company in Vietnam with engineers and 28 years of experience in providing quality software services for clients in 30 countries.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Chetu, INC	Exact match	Sunrise, FL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,943 contacts →
	Exact match “Chetu is your seamless backend technology partner, helping startups, SMBs, and Fortune companies accelerate development of desktop, mobile, and web apps with on-demand developers…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Tatvasoft	Exact match	Ahmedabad, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,725 contacts →
	Exact match “TatvaSoft is a CMMi Level 3 & Microsoft Solutions Partner Software Development Company offering software development services on diverse technology platforms like Microsoft…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Dotsquares	Exact match	London, United KingdomHQ recorded Sep 29, 2026	501-1,000	1,581 contacts →
	Exact match “We leverage the latest web and mobile technologies to build, grow and support your business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Sigma Software Group	Exact match	Stockholm, SwedenHQ recorded Sep 29, 2026	1,001-5,000	1,566 contacts →
	Exact match “Sigma Software Group, an award-winning and trusted IT partner, has been serving customers for over 24 years, providing comprehensive IT solutions to various businesses, ranging…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Girnarsoft	Exact match	Jaipur, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,563 contacts →
	Exact match “GirnarSoft – Powering Innovation with World-Class Tech Teams At GirnarSoft, we don’t just build software-we build the best engineering teams that help companies across the globe…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	In Time TEC	Exact match	Meridian, ID, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,139 contacts →
	Exact match “In Time Tec is a platform dedicated to Creating Abundance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Folio3 Software	Exact match	San Mateo, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	846 contacts →
	Exact match “Folio3 is a California based software development company that helps entrepreneurs and large corporations build innovative, world class software solutions by providing offshore…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	BJIT	Exact match	Dhaka, CA, United StatesHQ recorded Sep 29, 2026	501-1,000	711 contacts →
	Exact match “BJIT is a global leader in offshore software development and IT outsourcing services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Nextbridge LTD	Exact match	Lahore, PakistanHQ recorded Sep 29, 2026	201-500	669 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Ceiba Software	Exact match	Medellín, ColombiaHQ recorded Sep 29, 2026	501-1,000	641 contacts →
	Exact match “Ceiba Software provides custom software services, helping clients solve complex technical challenges with comprehensive, value-add staff augmentation and managed teams.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Axon Active	Exact match	Ho Chi Minh City, VietnamHQ recorded Sep 29, 2026	501-1,000	615 contacts →
	Exact match “Founded in 2008, Axon Active is a Swiss-based software development company with over 15 years of successful business.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Clarion Technologies	Exact match	Pune, IndiaHQ recorded Sep 29, 2026	201-500	605 contacts →
	Exact match “Driving Innovation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	EUVIC	Exact match	Gliwice, PolandHQ recorded Sep 29, 2026	5,001-10,000	591 contacts →
	Exact match “Euvic is Poland's leading IT service provider that can help you to make your business more cost-efficient and agile.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Cg-Vak Software & Exports LTD	Exact match	Coimbatore, IndiaHQ recorded Sep 29, 2026	501-1,000	580 contacts →
	Exact match “CG-VAK Software is a leading offshore software development company with 30 years of industry experience, serving clients across the USA, UK, Canada, Europe, Australia, Singapore…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	CELAD	Exact match	Toulouse, FranceHQ recorded Sep 29, 2026	1,001-5,000	570 contacts →
	Exact match “Consulting and Engineering in innovative technology Celad is a global software engineering company with over 1200 engineers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Asal Technologies	Exact match	Amman, JordanHQ recorded Sep 29, 2026	201-500	566 contacts →
	Exact match “ASAL Technologies was established in the year and has since grown to become the foremost Technology Company across Jordan, UAE and Palestine.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Bebo Technologies	Exact match	Chandigarh, IndiaHQ recorded Sep 29, 2026	1,001-5,000	557 contacts →
	Exact match “bebo Technologies has a dedicated, experienced, and skilled group of professional engineers that utilize cutting-edge methodologies, tools, and techniques to develop…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Softteco	Exact match	Warsaw, PolandHQ recorded Sep 29, 2026	501-1,000	539 contacts →
	Exact match “SoftTeco is a software development company that was founded in 2008 providing custom software development services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Softura	Exact match	Farmington Hills, MI, United StatesHQ recorded Sep 29, 2026	201-500	534 contacts →
	Exact match “Softura is an organization that specializes in providing state-of-the-art software solutions on a wide range of platforms to simplify any un-scalable process.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Codecentric AG	Exact match	Solingen, GermanyHQ recorded Sep 29, 2026	501-1,000	490 contacts →
	Exact match “Seit zwei Dekaden entwickelt die codecentric AG moderne, individuelle Software.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	JIT Team	Exact match	Gdynia, PolandHQ recorded Sep 29, 2026	501-1,000	488 contacts →
	Exact match “We provide complete software development teams, who will take complex care of your software.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Atliq Technologies	Exact match	Vadodara, IndiaHQ recorded Sep 29, 2026	51-200	479 contacts →
	Exact match “Purpose drives everything we do.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Acid Labs	Exact match	Santiago, ChileHQ recorded Sep 29, 2026	501-1,000	470 contacts →
	Exact match “Acid Labs is an end-to-end software design and development firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Framework Digital	Exact match	Belo Horizonte, BrazilHQ recorded Sep 29, 2026	501-1,000	460 contacts →
	Exact match “We are a software development group with focus on web and mobile development projects.” Recorded in the RevenueBase company graph · Sep 29, 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 “volunteer software development 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 23,225 volunteer software development companies worldwide

See the full list, filter by size, metro and specialty, and access 37,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Volunteer software development companies worldwide at a glance

As of Sep 29, 2026

15.7%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

1.9%Largest-city concentration · Ahmedabad

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

12,446

11-50

8,248

51-200

1,974

201-500

370

501-1,000

1,001-5,000

5,001-10,000

10001+

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 volunteer software development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “volunteer software development 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 37,531 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 September 29, 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.

Volunteer software development companies by location

136 lists · largest first

Every Volunteer software development 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 “volunteer software development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteer software development companies are there worldwide?

RevenueBase identified 23,225 company matches for volunteer software development companies worldwide as of September 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?

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

Which country has the most volunteer software development companies?

India leads with 4,878 companies, followed by the United States (2,652) and Pakistan (1,034). Every volunteer software development companies list by country and city is linked on this page.

Which city has the most volunteer software development companies?

Ahmedabad leads with 434 company records, followed by Lahore (394) and London (338).

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 37,531 professional contacts with verified work emails tracked across these 23,225 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 September 29, 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.