Company lists · Data refreshed September 2026
Top 25 Open source testing tools companies worldwide
RevenueBase identified 342 company matches for open source testing tools companies worldwide as of September 2026 and tracks 4,440 professional contacts across them, including 1,102 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for open source testing tools 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 20, 2026. Country and city lists for open source testing tools companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest open source testing tools companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 285 contacts → | ||||
Exact match “Welcome to Qualitia - The Pioneers in Simplifying Test Automation!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 221 contacts → | ||||
Exact match “ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 221 contacts → | ||||
Exact match “Parasoft helps organizations continuously deliver quality software with its market-proven, integrated suite of automated software testing tools.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 172 contacts → | ||||
Exact match “QSG (Quality Service Group) is an independent Software testing and test automation company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 143 contacts → | ||||
Exact match “Tesnet Group is Israel leading specialist software testing company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 91 contacts → | ||||
Exact match “Cypress is a quality testing platform that brings together the open-source Cypress App tool and the Cypress Cloud platform, supporting the entire testing lifecycle.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 87 contacts → | ||||
Exact match “QAble is one of the top names when it comes to software testing.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 87 contacts → | ||||
Exact match “Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 86 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 85 contacts → | ||||
Exact match “Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 83 contacts → | ||||
Exact match “With a talented team of Software Developers and Engineers in Test, and DevOps Engineers, Command Quality’s unique value proposition is in the delivery and implementation of a…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 74 contacts → | ||||
Exact match “Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 72 contacts → | ||||
Exact match “As a leading provider of software quality assurance/testing services, we leverage cutting-edge testing strategies and tools to deliver comprehensive and tailored QA/testing…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 70 contacts → | ||||
Exact match “headed into a firm in 2017, rooted in delivering excellent Software quality assurance () and software testing services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 65 contacts → | ||||
Exact match “ClicQA is an Independent Software Testing company dedicated to cater a wide range of software testing services to clients across the globe.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 54 contacts → | ||||
Exact match “Simplify and scale your testing with Qase.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 49 contacts → | ||||
Exact match “Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automation into a single, unified framework.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “Altom is a Romanian software testing company founded in 2008 by a group of senior test consultants - Oana Casapu, Ru Cindrea and Alexandru Rotaru.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 46 contacts → | ||||
Exact match “Cycle Labs delivers enterprise-grade automated testing solutions that accelerate software delivery and reduce risk across complex systems.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 45 contacts → | ||||
Exact match “an 1sGS Company” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 43 contacts → | ||||
Exact match “Performance issues are the worst enemies of your website.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 42 contacts → | ||||
Exact match “A rsin is the leading supplier of automated enterprise software testing solutions delivered by an expert team of software test professionals backed by a service framework that has…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “Subject7, founded in 2011 in Maryland, provides a codeless, cloud-based end-to-end test automation platform for GovTech and enterprise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 37 contacts → | ||||
Exact match “We are developing open-source and commercial software development tools.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 36 contacts → | ||||
Exact match “Since 2006, Passed has been helping medium and large enterprises deliver stable, secure and business-critical software through independent software testing.” Recorded in the RevenueBase company graph · Sep 20, 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 testing tools 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 342 open source testing tools companies worldwide
See the full list, filter by size, metro and specialty, and access 1,102 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source testing tools companies worldwide at a glance
As of Sep 20, 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 testing tools companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source testing tools 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 1,102 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 20, 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 testing tools companies by location
2 lists · largest firstEvery Open source testing tools companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “open source testing tools companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source testing tools companies are there worldwide?
RevenueBase identified 342 company matches for open source testing tools 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?
Zensoft Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open source testing tools companies?
The United States leads with 65 companies, followed by India (53). Every open source testing tools companies list by country and city is linked on this page.
Which city has the most open source testing tools companies?
Bangalore leads with 10 company records, followed by San Francisco (8) and Hyderabad (7).
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 1,102 professional contacts with verified work emails tracked across these 342 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 342 open source testing tools companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 open source testing tools companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 342 matching company records for open source testing tools companies worldwide, with 4,440 tracked contacts and 1,102 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: September 20, 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 testing tools companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Zensoft Servicesqualitia.aiHQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 285 contacts → |
“Welcome to Qualitia - The Pioneers in Simplifying Test Automation!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Accelqaccelq.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 221 contacts → |
“ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Parasoftparasoft.comHQ: Monrovia, CA, United StatesReported employees: 201-500 | Monrovia, CA, United States | 201-500 | Exact match | 221 contacts → |
“Parasoft helps organizations continuously deliver quality software with its market-proven, integrated suite of automated software testing tools.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  QSG Technologies PVT LTDqsgsoft.comHQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 172 contacts → |
“QSG (Quality Service Group) is an independent Software testing and test automation company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Tesnet Group LTDtesnet-group.comHQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 143 contacts → |
“Tesnet Group is Israel leading specialist software testing company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  cypress.iocypress.ioHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 91 contacts → |
“Cypress is a quality testing platform that brings together the open-source Cypress App tool and the Cypress Cloud platform, supporting the entire testing lifecycle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  QABLEqable.ioHQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 87 contacts → |
“QAble is one of the top names when it comes to software testing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Verifaya Corporationverifaya.comHQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 87 contacts → |
“Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ldra Limitedtasking.comHQ: Monks Ferry, United StatesReported employees: 51-200 | Monks Ferry, United States | 51-200 | Exact match | 86 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Virtuoso QAvirtuosoqa.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Command Quality PTY LTDcommandquality.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 83 contacts → |
“With a talented team of Software Developers and Engineers in Test, and DevOps Engineers, Command Quality’s unique value proposition is in the delivery and implementation of a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Shasta QAshastaqa.comHQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 74 contacts → |
“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Jignect Technologies PVT LTDjignect.tech HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 72 contacts → |
“As a leading provider of software quality assurance/testing services, we leverage cutting-edge testing strategies and tools to deliver comprehensive and tailored QA/testing…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | E2eworxe2eworx.com HQ: Lahore, PakistanReported employees: 11-50 | Lahore, Pakistan | 11-50 | Exact match | 70 contacts → |
“headed into a firm in 2017, rooted in delivering excellent Software quality assurance () and software testing services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Clicqaclicqa.comHQ: Hyderabad, IndiaReported employees: 51-200 | Hyderabad, India | 51-200 | Exact match | 65 contacts → |
“ClicQA is an Independent Software Testing company dedicated to cater a wide range of software testing services to clients across the globe.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  QASEqase.ioHQ: Austin, CA, United StatesReported employees: 51-200 | Austin, CA, United States | 51-200 | Exact match | 54 contacts → |
“Simplify and scale your testing with Qase.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Karate Labskaratelabs.ioHQ: Sugar Land, TX, United StatesReported employees: Not recorded | Sugar Land, TX, United States | Not recorded | Exact match | 49 contacts → |
“Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automation into a single, unified framework.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ALTOMaltom.comHQ: Cluj-napoca, RomaniaReported employees: 11-50 | Cluj-napoca, Romania | 11-50 | Exact match | 48 contacts → |
“Altom is a Romanian software testing company founded in 2008 by a group of senior test consultants - Oana Casapu, Ru Cindrea and Alexandru Rotaru.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cycle Labscyclelabs.ioHQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 46 contacts → |
“Cycle Labs delivers enterprise-grade automated testing solutions that accelerate software delivery and reduce risk across complex systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | PT Aplic Digital Teknologiitsaplic.com HQ: West Jakarta City, IndonesiaReported employees: 51-200 | West Jakarta City, Indonesia | 51-200 | Exact match | 45 contacts → |
“an 1sGS Company” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gatlinggatling.io HQ: Neuilly-sur-seine, FranceReported employees: 11-50 | Neuilly-sur-seine, France | 11-50 | Exact match | 43 contacts → |
“Performance issues are the worst enemies of your website.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Arsin Corporationarsin.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 42 contacts → |
“A rsin is the leading supplier of automated enterprise software testing solutions delivered by an expert team of software test professionals backed by a service framework that has…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Subject7subject7.comHQ: Mclean, VA, United StatesReported employees: 11-50 | Mclean, VA, United States | 11-50 | Exact match | 40 contacts → |
“Subject7, founded in 2011 in Maryland, provides a codeless, cloud-based end-to-end test automation platform for GovTech and enterprise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Volosoftvolosoft.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 37 contacts → |
“We are developing open-source and commercial software development tools.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Passed Informatikai KFTpassed.huHQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 36 contacts → |
“Since 2006, Passed has been helping medium and large enterprises deliver stable, secure and business-critical software through independent software testing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 342 company matches
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Open source testing tools companies: dataset insights
September 20, 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
342 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 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 342 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: September 20, 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 testing tools companies by location
2 lists · largest firstEvery Open source testing tools companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source testing tools 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 testing tools companies did RevenueBase find worldwide?
The saved snapshot records 342 matching company records, 4,440 tracked contacts and 1,102 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: September 20, 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 testing tools companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/open-source-testing-tools-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 open source testing tools companies worldwide
RevenueBase records 342 matching company records for open source testing tools companies worldwide, with 4,440 tracked contacts and 1,102 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: September 20, 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 testing tools companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Zensoft Servicesqualitia.ai HQ: Pune, IndiaReported employees: 201-500 | Pune, India | 201-500 | Exact match | 285 contacts → |
“Welcome to Qualitia - The Pioneers in Simplifying Test Automation!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Accelqaccelq.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 221 contacts → |
“ACCELQ is the only cloud-based continuous testing platform that seamlessly automates API and web testing without writing a single line of code.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Parasoftparasoft.com HQ: Monrovia, CA, United StatesReported employees: 201-500 | Monrovia, CA, United States | 201-500 | Exact match | 221 contacts → |
“Parasoft helps organizations continuously deliver quality software with its market-proven, integrated suite of automated software testing tools.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | QSG Technologies PVT LTDqsgsoft.com HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 172 contacts → |
“QSG (Quality Service Group) is an independent Software testing and test automation company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tesnet Group LTDtesnet-group.com HQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 143 contacts → |
“Tesnet Group is Israel leading specialist software testing company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | cypress.iocypress.io HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 91 contacts → |
“Cypress is a quality testing platform that brings together the open-source Cypress App tool and the Cypress Cloud platform, supporting the entire testing lifecycle.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | QABLEqable.io HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 87 contacts → |
“QAble is one of the top names when it comes to software testing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Verifaya Corporationverifaya.com HQ: Milpitas, CA, United StatesReported employees: 51-200 | Milpitas, CA, United States | 51-200 | Exact match | 87 contacts → |
“Verifaya is the new-age automated testing software provider that helps businesses overcome their testing challenges and accelerate business growth.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ldra Limitedtasking.com HQ: Monks Ferry, United StatesReported employees: 51-200 | Monks Ferry, United States | 51-200 | Exact match | 86 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Virtuoso QAvirtuosoqa.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 85 contacts → |
“Virtuoso QA pushes the boundaries of traditional software test automation and quality assurance.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Command Quality PTY LTDcommandquality.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 83 contacts → |
“With a talented team of Software Developers and Engineers in Test, and DevOps Engineers, Command Quality’s unique value proposition is in the delivery and implementation of a…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Shasta QAshastaqa.com HQ: Redding, CA, United StatesReported employees: 51-200 | Redding, CA, United States | 51-200 | Exact match | 74 contacts → |
“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Jignect Technologies PVT LTDjignect.tech HQ: Ahmedabad, IndiaReported employees: 51-200 | Ahmedabad, India | 51-200 | Exact match | 72 contacts → |
“As a leading provider of software quality assurance/testing services, we leverage cutting-edge testing strategies and tools to deliver comprehensive and tailored QA/testing…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | E2eworxe2eworx.com HQ: Lahore, PakistanReported employees: 11-50 | Lahore, Pakistan | 11-50 | Exact match | 70 contacts → |
“headed into a firm in 2017, rooted in delivering excellent Software quality assurance () and software testing services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Clicqaclicqa.com HQ: Hyderabad, IndiaReported employees: 51-200 | Hyderabad, India | 51-200 | Exact match | 65 contacts → |
“ClicQA is an Independent Software Testing company dedicated to cater a wide range of software testing services to clients across the globe.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | QASEqase.io HQ: Austin, CA, United StatesReported employees: 51-200 | Austin, CA, United States | 51-200 | Exact match | 54 contacts → |
“Simplify and scale your testing with Qase.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Karate Labskaratelabs.io HQ: Sugar Land, TX, United StatesReported employees: Not recorded | Sugar Land, TX, United States | Not recorded | Exact match | 49 contacts → |
“Karate is the only open-source tool to combine API test-automation, mocks, performance-testing and even UI automation into a single, unified framework.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ALTOMaltom.com HQ: Cluj-napoca, RomaniaReported employees: 11-50 | Cluj-napoca, Romania | 11-50 | Exact match | 48 contacts → |
“Altom is a Romanian software testing company founded in 2008 by a group of senior test consultants - Oana Casapu, Ru Cindrea and Alexandru Rotaru.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cycle Labscyclelabs.io HQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 46 contacts → |
“Cycle Labs delivers enterprise-grade automated testing solutions that accelerate software delivery and reduce risk across complex systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | PT Aplic Digital Teknologiitsaplic.com HQ: West Jakarta City, IndonesiaReported employees: 51-200 | West Jakarta City, Indonesia | 51-200 | Exact match | 45 contacts → |
“an 1sGS Company” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gatlinggatling.io HQ: Neuilly-sur-seine, FranceReported employees: 11-50 | Neuilly-sur-seine, France | 11-50 | Exact match | 43 contacts → |
“Performance issues are the worst enemies of your website.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Arsin Corporationarsin.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 42 contacts → |
“A rsin is the leading supplier of automated enterprise software testing solutions delivered by an expert team of software test professionals backed by a service framework that has…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Subject7subject7.com HQ: Mclean, VA, United StatesReported employees: 11-50 | Mclean, VA, United States | 11-50 | Exact match | 40 contacts → |
“Subject7, founded in 2011 in Maryland, provides a codeless, cloud-based end-to-end test automation platform for GovTech and enterprise.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Volosoftvolosoft.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 37 contacts → |
“We are developing open-source and commercial software development tools.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Passed Informatikai KFTpassed.hu HQ: Budapest, HungaryReported employees: 11-50 | Budapest, Hungary | 11-50 | Exact match | 36 contacts → |
“Since 2006, Passed has been helping medium and large enterprises deliver stable, secure and business-critical software through independent software testing.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 342 company matches
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Open source testing tools companies: dataset insights
September 20, 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
342 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 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 342 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: September 20, 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 testing tools companies by location
2 lists · largest firstEvery Open source testing tools companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for open source testing tools 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 testing tools companies did RevenueBase find worldwide?
The saved snapshot records 342 matching company records, 4,440 tracked contacts and 1,102 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: September 20, 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
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Cite this list
RevenueBase Data Team. Top 25 open source testing tools companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/open-source-testing-tools-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗