Is there a free, open-source alternative to BuiltWith?

Yes. The most popular open-source alternatives to BuiltWith on Repolode are stackprism.

Which BuiltWith alternative should I choose?

stackprism has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.

1 alternative

Best open-source alternatives to BuiltWith (2026)

Looking for a free, open-source alternative to BuiltWith? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.

Quick comparison

Project	Stars	License	Last commit
setube/stackprism	★ 1.2K	MIT	3 days ago

setube / stackprism

GitHub

A Manifest V3 browser extension for Chrome, Edge, and Firefox that identifies the web technology stack behind any page.

Developer Tools #browser-extension #chrome-extension #firefox-extension #web-development #technology-stack

1.2K91TypeScriptMITUpdated 3 days ago

FAQ

Is there a free, open-source alternative to BuiltWith?: Yes. The most popular open-source alternatives to BuiltWith on Repolode are stackprism.
Which BuiltWith alternative should I choose?: stackprism has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.

← Open-source alternatives to popular software