Company lists · Data refreshed September 2026
Top 25 Open source web frameworks worldwide
RevenueBase identified 161 company matches for open source web frameworks worldwide as of September 2026 and tracks 2,744 professional contacts across them, including 196 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for open source web frameworks 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 web frameworks 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 web frameworks worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 102 contacts → | ||||
Exact match “Vaadin is the open-source Java framework for building modern web apps.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 86 contacts → | ||||
Exact match “SensioLabs is the creator of the Open-Source framework Symfony, which has become a global reference in web development.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 24 contacts → | ||||
Exact match “Potix is a privately held software company, founded by Tom Yeh and Henri Chen, who have worked together and developed many award-winning products since the early 1990’s.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 16 contacts → | ||||
Exact match “From simple pilots to production-ready web applications in no time.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “The best place to build, test, and discover front-end code.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 14 contacts → | ||||
Exact match “Spécialistes du développement Open Source (PHP, Javascript) Cloud et OPS / Associé Time For The Planet et certifié Great Place To Work” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 12 contacts → | ||||
Exact match “MODX is the company that backs the open source Content Management System and Web Application Framework, MODX, based in Dallas, TX, USA.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “SST is an open-source framework that makes it easy to build modern full-stack applications on your own infrastructure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 9 contacts → | ||||
Exact match “Plasmic is a visual development platform that empowers your entire team to build production-grade web apps fast, from internal tools to customer-facing products and websites.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “Lowdefy is an open-source low-code framework to build web apps, admin panels, internal tools, BI dashboards with ease.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “An open-source framework for building Web, Mobile, and Desktop applications” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match “ApostropheCMS was created because our agency needed a better, smoother tool that was not only easy for clients and editors but felt great to build in.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “Hello, Dev Thank you for embarking on this journey with us to create an ambitious and exciting developer experience that is continuously improving.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Hello world!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “High-quality open-source software for web developers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Floodlight was started out of an industry need.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Software & Services Consultants” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “smallstack is a lightweight and extensible web project framework with the goal to fasten prototyping and project developing down to several days.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Open source tools that redefine developer experience in the web ecosystem.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Neos CMS is a modern, open-source content management system designed for both editors and developers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Hey there!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Realizziamo progetti web versatili e performanti, grazie a strumenti in grado di garantire i migliori risultati in fase di sviluppo e mantenimento.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Jasny develops high quality web applications, specializing in information retrieval, social APIs and UX.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “CakePHP is designed to make common web-development tasks simple, and easy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “eWebDesign.co is a community that includes all the key ingredients of technology and talent to support Rapid Web Application Development.” 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 web frameworks”. 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 161 open source web frameworks worldwide
See the full list, filter by size, metro and specialty, and access 196 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open source web frameworks 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 web frameworks are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open source web frameworks” 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 196 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 web frameworks by location
1 lists · largest firstEvery Open source web frameworks 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 web frameworks”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open source web frameworks are there worldwide?
RevenueBase identified 161 company matches for open source web frameworks 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?
Vaadin tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open source web frameworks?
The United States leads with 28 companies. Every open source web frameworks list by country and city is linked on this page.
Which city has the most open source web frameworks?
London leads with 5 company records, followed by Kolkata (4) and New York (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 196 professional contacts with verified work emails tracked across these 161 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 161 open source web frameworks 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 web frameworks worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 161 matching company records for open source web frameworks worldwide, with 2,744 tracked contacts and 196 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 web frameworks 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 | Vaadinvaadin.com HQ: Turku, FinlandReported employees: 51-200 | Turku, Finland | 51-200 | Exact match | 102 contacts → |
“Vaadin is the open-source Java framework for building modern web apps.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sensiolabssensiolabs.com HQ: Asnières Sur Seine, FranceReported employees: 51-200 | Asnières Sur Seine, France | 51-200 | Exact match | 86 contacts → |
“SensioLabs is the creator of the Open-Source framework Symfony, which has become a global reference in web development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Potix Corporationzkoss.org HQ: Taipei City, TaiwanReported employees: 11-50 | Taipei City, Taiwan | 11-50 | Exact match | 24 contacts → |
“Potix is a privately held software company, founded by Tom Yeh and Henri Chen, who have worked together and developed many award-winning products since the early 1990’s.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TAIPYtaipy.ioHQ: Orsay, FranceReported employees: 11-50 | Orsay, France | 11-50 | Exact match | 16 contacts → |
“From simple pilots to production-ready web applications in no time.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Codepencodepen.ioHQ: Bend, OR, United StatesReported employees: 1-10 | Bend, OR, United States | 1-10 | Exact match | 14 contacts → |
“The best place to build, test, and discover front-end code.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Yomevayomeva.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 14 contacts → |
“Spécialistes du développement Open Source (PHP, Javascript) Cloud et OPS / Associé Time For The Planet et certifié Great Place To Work” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  MODXmodx.comHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 12 contacts → |
“MODX is the company that backs the open source Content Management System and Web Application Framework, MODX, based in Dallas, TX, USA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  SSTsst.devHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 11 contacts → |
“SST is an open-source framework that makes it easy to build modern full-stack applications on your own infrastructure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Plasmicplasmic.appHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 9 contacts → |
“Plasmic is a visual development platform that empowers your entire team to build production-grade web apps fast, from internal tools to customer-facing products and websites.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Lowdefylowdefy.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 9 contacts → |
“Lowdefy is an open-source low-code framework to build web apps, admin panels, internal tools, BI dashboards with ease.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  meteor.jsmeteor.comHQ: Victoria, CanadaReported employees: 11-50 | Victoria, Canada | 11-50 | Exact match | 9 contacts → |
“An open-source framework for building Web, Mobile, and Desktop applications” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Apostrophecmsapostrophecms.comHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 7 contacts → |
“ApostropheCMS was created because our agency needed a better, smoother tool that was not only easy for clients and editors but felt great to build in.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Expressotsexpresso-ts.comHQ: Vancouver, CanadaReported employees: 1-10 | Vancouver, Canada | 1-10 | Exact match | 7 contacts → |
“Hello, Dev Thank you for embarking on this journey with us to create an ambitious and exciting developer experience that is continuously improving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Osio Labsosiolabs.com HQ: Providence, RI, United StatesReported employees: 1-10 | Providence, RI, United States | 1-10 | Exact match | 6 contacts → |
“Hello world!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tanstacktanstack.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 6 contacts → |
“High-quality open-source software for web developers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Floodlight Designfloodlight.design HQ: Elgin, IL, United StatesReported employees: 1-10 | Elgin, IL, United States | 1-10 | Exact match | 4 contacts → |
“Floodlight was started out of an industry need.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Failsafe Systemsfailsafe.co.za HQ: Tableview, South AfricaReported employees: 1-10 | Tableview, South Africa | 1-10 | Exact match | 3 contacts → |
“Software & Services Consultants” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Smallstack Gmbhsmallstack.com HQ: München, GermanyReported employees: 1-10 | München, Germany | 1-10 | Exact match | 2 contacts → |
“smallstack is a lightweight and extensible web project framework with the goal to fasten prototyping and project developing down to several days.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Arktypearktype.ioHQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 2 contacts → |
“Open source tools that redefine developer experience in the web ecosystem.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Neos Foundation E.Vneos.ioHQ: Dresden, GermanyReported employees: 11-50 | Dresden, Germany | 11-50 | Exact match | 2 contacts → |
“Neos CMS is a modern, open-source content management system designed for both editors and developers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Web-Palweb-pal.com HQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 2 contacts → |
“Hey there!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | VUBAIvubai.com HQ: Legnano, ItalyReported employees: 1-10 | Legnano, Italy | 1-10 | Exact match | 2 contacts → |
“Realizziamo progetti web versatili e performanti, grazie a strumenti in grado di garantire i migliori risultati in fase di sviluppo e mantenimento.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | JASNYjasny.net HQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 2 contacts → |
“Jasny develops high quality web applications, specializing in information retrieval, social APIs and UX.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cakephpcakephp.orgHQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 1 contacts → |
“CakePHP is designed to make common web-development tasks simple, and easy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ewebdesign.coewebdesign.co HQ: West Bloomfield, MI, United StatesReported employees: 11-50 | West Bloomfield, MI, United States | 11-50 | Exact match | 1 contacts → |
“eWebDesign.co is a community that includes all the key ingredients of technology and talent to support Rapid Web Application Development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Open source web frameworks: 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
161 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 161 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 web frameworks by location
1 lists · largest firstEvery Open source web frameworks 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 web frameworks?
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 web frameworks did RevenueBase find worldwide?
The saved snapshot records 161 matching company records, 2,744 tracked contacts and 196 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 web frameworks worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/open-source-web-frameworks.
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 web frameworks worldwide
RevenueBase records 161 matching company records for open source web frameworks worldwide, with 2,744 tracked contacts and 196 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 web frameworks 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 | Vaadinvaadin.com HQ: Turku, FinlandReported employees: 51-200 | Turku, Finland | 51-200 | Exact match | 102 contacts → |
“Vaadin is the open-source Java framework for building modern web apps.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Sensiolabssensiolabs.com HQ: Asnières Sur Seine, FranceReported employees: 51-200 | Asnières Sur Seine, France | 51-200 | Exact match | 86 contacts → |
“SensioLabs is the creator of the Open-Source framework Symfony, which has become a global reference in web development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Potix Corporationzkoss.org HQ: Taipei City, TaiwanReported employees: 11-50 | Taipei City, Taiwan | 11-50 | Exact match | 24 contacts → |
“Potix is a privately held software company, founded by Tom Yeh and Henri Chen, who have worked together and developed many award-winning products since the early 1990’s.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TAIPYtaipy.io HQ: Orsay, FranceReported employees: 11-50 | Orsay, France | 11-50 | Exact match | 16 contacts → |
“From simple pilots to production-ready web applications in no time.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Codepencodepen.io HQ: Bend, OR, United StatesReported employees: 1-10 | Bend, OR, United States | 1-10 | Exact match | 14 contacts → |
“The best place to build, test, and discover front-end code.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Yomevayomeva.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 14 contacts → |
“Spécialistes du développement Open Source (PHP, Javascript) Cloud et OPS / Associé Time For The Planet et certifié Great Place To Work” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | MODXmodx.com HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 12 contacts → |
“MODX is the company that backs the open source Content Management System and Web Application Framework, MODX, based in Dallas, TX, USA.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | SSTsst.dev HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 11 contacts → |
“SST is an open-source framework that makes it easy to build modern full-stack applications on your own infrastructure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Plasmicplasmic.app HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 9 contacts → |
“Plasmic is a visual development platform that empowers your entire team to build production-grade web apps fast, from internal tools to customer-facing products and websites.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Lowdefylowdefy.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 9 contacts → |
“Lowdefy is an open-source low-code framework to build web apps, admin panels, internal tools, BI dashboards with ease.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | meteor.jsmeteor.com HQ: Victoria, CanadaReported employees: 11-50 | Victoria, Canada | 11-50 | Exact match | 9 contacts → |
“An open-source framework for building Web, Mobile, and Desktop applications” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Apostrophecmsapostrophecms.com HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 7 contacts → |
“ApostropheCMS was created because our agency needed a better, smoother tool that was not only easy for clients and editors but felt great to build in.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Expressotsexpresso-ts.com HQ: Vancouver, CanadaReported employees: 1-10 | Vancouver, Canada | 1-10 | Exact match | 7 contacts → |
“Hello, Dev Thank you for embarking on this journey with us to create an ambitious and exciting developer experience that is continuously improving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Osio Labsosiolabs.com HQ: Providence, RI, United StatesReported employees: 1-10 | Providence, RI, United States | 1-10 | Exact match | 6 contacts → |
“Hello world!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tanstacktanstack.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 6 contacts → |
“High-quality open-source software for web developers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Floodlight Designfloodlight.design HQ: Elgin, IL, United StatesReported employees: 1-10 | Elgin, IL, United States | 1-10 | Exact match | 4 contacts → |
“Floodlight was started out of an industry need.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Failsafe Systemsfailsafe.co.za HQ: Tableview, South AfricaReported employees: 1-10 | Tableview, South Africa | 1-10 | Exact match | 3 contacts → |
“Software & Services Consultants” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Smallstack Gmbhsmallstack.com HQ: München, GermanyReported employees: 1-10 | München, Germany | 1-10 | Exact match | 2 contacts → |
“smallstack is a lightweight and extensible web project framework with the goal to fasten prototyping and project developing down to several days.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arktypearktype.io HQ: Boston, MA, United StatesReported employees: 1-10 | Boston, MA, United States | 1-10 | Exact match | 2 contacts → |
“Open source tools that redefine developer experience in the web ecosystem.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Neos Foundation E.Vneos.io HQ: Dresden, GermanyReported employees: 11-50 | Dresden, Germany | 11-50 | Exact match | 2 contacts → |
“Neos CMS is a modern, open-source content management system designed for both editors and developers.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Web-Palweb-pal.com HQ: Kyiv, UkraineReported employees: 11-50 | Kyiv, Ukraine | 11-50 | Exact match | 2 contacts → |
“Hey there!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | VUBAIvubai.com HQ: Legnano, ItalyReported employees: 1-10 | Legnano, Italy | 1-10 | Exact match | 2 contacts → |
“Realizziamo progetti web versatili e performanti, grazie a strumenti in grado di garantire i migliori risultati in fase di sviluppo e mantenimento.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | JASNYjasny.net HQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 2 contacts → |
“Jasny develops high quality web applications, specializing in information retrieval, social APIs and UX.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cakephpcakephp.org HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 1 contacts → |
“CakePHP is designed to make common web-development tasks simple, and easy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ewebdesign.coewebdesign.co HQ: West Bloomfield, MI, United StatesReported employees: 11-50 | West Bloomfield, MI, United States | 11-50 | Exact match | 1 contacts → |
“eWebDesign.co is a community that includes all the key ingredients of technology and talent to support Rapid Web Application Development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 161 company matches
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Open source web frameworks: 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
161 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 161 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 web frameworks by location
1 lists · largest firstEvery Open source web frameworks 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 web frameworks?
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 web frameworks did RevenueBase find worldwide?
The saved snapshot records 161 matching company records, 2,744 tracked contacts and 196 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 web frameworks worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/open-source-web-frameworks.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗