Open-source alternatives to popular software
OSS Alternatives covers a small number of proprietary tools in depth rather than a large, shallow directory. Each page below ranks genuinely open-source alternatives by GitHub activity and spells out license, self-hosting, and pricing so you can pick one with confidence.
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Browsers alternatives
Google Search
The world's most used web search engine
1 alternative
Safari
Apple's web browser
8 alternatives
Startpage
Privacy-focused search engine
1 alternative
Anchor Browser
Cloud browser infrastructure for AI agents
5 alternatives
Arc
Chromium-based browser with a sidebar, spaces, and redesigned tabs
8 alternatives
Atlas
OpenAI's ChatGPT Atlas browser with a built-in AI assistant and agent mode
9 alternatives
Comet
Perplexity's AI-powered browser with a built-in assistant and agents
10 alternatives
Google Chrome
Google's Chromium-based web browser with Google account sync
8 alternatives
Firefox
Privacy-focused open-source web browser
8 alternatives
Brave
Privacy-focused Chromium browser with tracker blocking
7 alternatives