Open source Browsers & Extensions tools
18 free, open source options sorted by GitHub stars.
LadybirdAn independent browser engine built from scratch, not a forkZen BrowserPrivacy-focused browser with powerful customizationBraveFast, private browser that puts you firstHeliumPrivacy-first browser with ad-blocking and no bloatScreenityFree, private screen recording for Chromeego liteChromium browser built for sharing with AI agentsHarperFast grammar checking that respects your privacyLanguageToolAI-powered grammar checker for 30+ languagesRequestlyIntercept, modify, and debug HTTP(S) requests effortlesslyWaterfoxPrivacy-first browser built for power usersZenSystem-wide ad-blocking and privacy protection, no extensions neededDeta SurfBrowser and notebook combined with local-first AILibreWolfFirefox fork hardened for privacy, security, and freedomFlowFast, secure browsing with powerful organization featuresLinguistPrivacy-focused translation with offline capabilitiesBrowser OperatorOpen-source AI browser for intelligent web automationMidori BrowserFast, secure, and privacy-focused web browsingCloudmarkOrganize and access your bookmarks seamlessly in the cloud