Open Source Web Browsers
A curated collection of the best open source applications for browsing the web, including privacy-focused and lightweight browsers plus the rendering engines behind them..
An independent browser engine built from scratch, not a fork
Stars
66,644Last commit
9 hours agoLicense
BSD-2-Clause
Open source web browser with its own engine, built from scratch without Blink, WebKit, or Gecko. Non-profit backed, no search deals, no user monetization.
Open Source Alternative to:
Privacy-focused browser with powerful customization
Stars
45,193Last commit
1 day agoLicense
MPL-2.0
A Firefox-based browser offering enhanced privacy, split views, and extensive customization options for a personalized browsing experience.
Open Source Alternative to:
Chromium browser built for sharing with AI agents
Stars
Stars growing quickly over the last 30 days19,010Last commit
1 day agoLicense
MIT
A Chromium-based browser that lets AI agents like Claude Code and Codex run web automation using your real logged-in sessions, without interrupting your browsing.
Open Source Alternative to:
Privacy-first browser with ad-blocking and no bloat
Stars
Stars growing over the last 30 days21,881Last commit
3 days agoLicense
GPL-3.0
Chromium-based desktop browser with default ad and tracker blocking, no analytics, native !bangs, split view, and full MV2 extension support.
Open Source Alternative to:
Fast, private browser that puts you first
Stars
23,955Last commit
10 hours agoLicense
MPL-2.0
A secure web browser that blocks ads and trackers, protects privacy, and loads pages faster while saving data and battery life.
Open Source Alternative to:
Privacy-first browser built for power users
Stars
6,387Last commit
11 days agoLicense
Unknown
Firefox-based browser with built-in ad blocking, oblivious DNS, zero telemetry, tree-style tabs, and no AI features sending your data anywhere.
Open Source Alternative to:
Browser and notebook combined with local-first AI
Stars
3,610Last commit
2 months agoLicense
Apache-2.0
A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Open Source Alternative to:
Firefox fork hardened for privacy, security, and freedom
Stars
1,347Last commit
13 hours agoLicense
Unknown
A Firefox-based browser that strips telemetry, blocks trackers, disables DRM, and ships with a content blocker out of the box.
Open Source Alternative to:
Fast, secure browsing with powerful organization features
Stars
1,083Last commit
5 months agoLicense
GPL-3.0
A modern browser combining minimalist design with smart features like profiles, spaces, and command palette. Full Chrome extension support and privacy-focused browsing.
Open Source Alternative to:
Open-source AI browser for intelligent web automation
Stars
516Last commit
7 months agoLicense
BSD-3-Clause
Privacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.
Open Source Alternative to:
Fast, secure, and privacy-focused web browsing
Stars
409Last commit
10 hours agoLicense
MPL-2.0
Midori Browser is a lightweight, fast, and secure browser that protects users' privacy, available for Windows, Linux, and Android.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
Postiz