Company lists · Data refreshed November 2026

Top 25 Open source web design software companies worldwide

RevenueBase identified 160 company matches for open source web design software companies worldwide as of November 2026 and tracks 2,242 professional contacts across them, including 890 with verified work emails. The United States is the largest market and San Francisco the largest hub.

This list covers company matches for open source web design software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 4, 2026. Country and city lists for open source web design software companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
160Companies
2,242Contacts tracked
890Verified emails
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The 25 largest open source web design software companies worldwide

Ranked by team size
Top 25 of 160 company matches for open source web design software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, United StatesHQ recorded Nov 4, 20261,001-5,0001,516 contacts →

Exact match

“We are the people behind WordPress.com, Day One, WooCommerce, Jetpack, Tumblr, WordPress VIP, Simplenote, Longreads, Crowdsignal, Atavist, and more.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchChandigarh, IndiaHQ recorded Nov 4, 202611-5030 contacts →

Exact match

“cWebConsultatns was established in 2009 and since then we have worked in collboration with many offshore website design companies across the globe.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchOslo, NorwayHQ recorded Nov 4, 20261-1025 contacts →

Exact match

“This page is mainly for open source visual editor DM Editor, contributed by Digimaker AS.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchCedar Rapids, IA, United StatesHQ recorded Nov 4, 20261-1024 contacts →

Exact match

“MS Studio is a music company based out of 290 Blairs Ferry Rd Ne Nw105, Cedar Rapids, IA, United States.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Nov 4, 202611-5017 contacts →

Exact match

“Penpot is the open-source design platform for teams building digital products at scale, with open standards, deeper design-code-AI collaboration, self-hosting options, and the…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 4, 20261-1016 contacts →

Exact match

“Quickly design and customize responsive mobile-first sites with Bootstrap, the world’s most popular front-end open source toolkit.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchGothenburg, SwedenHQ recorded Nov 4, 202611-5015 contacts →

Exact match

“Kodamera is a web development company specializing in open source with expertise in the implementation of all types of web projects.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 4, 202611-5013 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 · Nov 4, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 4, 202611-5013 contacts →

Exact match

“Founded in 2008, Zivtech is a full-service web design and development agency that specializes in open-source software.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchEarth 🌎, United StatesHQ recorded Nov 4, 20261-1011 contacts →

Exact match

“Webstudio is a visual development platform that allows you to build responsive websites and web applications without writing code.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchAmsterdam, NetherlandsHQ recorded Nov 4, 202611-5010 contacts →

Exact match

“Specialists in accessible, open source web development.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchBucharest, RomaniaHQ recorded Nov 4, 20261-109 contacts →

Exact match

“We love the web and care deeply about how users interact with a digital product.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchAlpharetta, GA, United StatesHQ recorded Nov 4, 202651-2008 contacts →

Exact match

“We are an Open Source Product Agency defining, designing and delivering websites, platforms and digital experiences.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 4, 202611-506 contacts →

Exact match

“Webdigi, specialises in web application development.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchProvidence, RI, United StatesHQ recorded Nov 4, 20261-106 contacts →

Exact match

“Hello world!”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Nov 4, 20261-105 contacts →

Exact match

“RiseVerse builds better tools for designers and developers.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Nov 4, 20261-105 contacts →

Exact match

“Estúdio Site Empresa fundada desde 2005, com muita humildade, dedicação e perseverança vencendo suas dificuldades em meio a um mercado muito grande e competitivo, porém, muito…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchVaraždin, CroatiaHQ recorded Nov 4, 20261-104 contacts →

Exact match

“Vjerujemo da najnovije tehnologije moraju biti dostupne svima.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Nov 4, 20261-104 contacts →

Exact match

“Tumult is building the next generation of apps for web design.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchGilbert, GA, United StatesHQ recorded Nov 4, 202611-503 contacts →

Exact match

“We make software that makes cool Websites.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchKingston, ON, CanadaHQ recorded Nov 4, 20261-103 contacts →

Exact match

“Multi Layer - free website template provided by templatemo.com”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 4, 20261-103 contacts →

Exact match

“Webizat is specialised in web development and design of web products.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchGeorgia, United StatesHQ recorded Nov 4, 20261-103 contacts →

Exact match

“This Website Founded by Srinivas Tamada started blogging with Google Blogger around August 2008 and then switched to custom domain at 9lessons.info on 9/9/2009.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Nov 4, 202611-501 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchDandenong, AustraliaHQ recorded Nov 4, 20261-101 contacts →

Exact match

“Web Design Owl is a computer software company based out of Dandenong, Australia.”

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

Showing 25 of 160 open source web design software companies worldwide

See the full list, filter by size, metro and specialty, and access 890 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Open source web design software companies worldwide at a glance

As of Nov 4, 2026
39.7%Verified-email coverage
14.0Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · San Francisco
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
118
11-50
31
51-200
7
501-1,000
1
1,001-5,000
1

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 design software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “open source web design software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 890 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 4, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Open source web design software companies by location

1 lists · largest first

Every Open source web design software 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 web design software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many open source web design software companies are there worldwide?

RevenueBase identified 160 company matches for open source web design software companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Automattic 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 design software companies?

The United States leads with 38 companies. Every open source web design software companies list by country and city is linked on this page.

Which city has the most open source web design software companies?

San Francisco leads with 4 company records, followed by Ahmedabad (3) 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 890 professional contacts with verified work emails tracked across these 160 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 4, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.