Chromium fork with native AI agent support. YC S24 backed. Privacy-first agentic browser with 12 built-in AI skills. Supports 11+ LLM providers including Ollama for local models. Only credible open-source alternative to ChatGPT Atlas, Perplexity Comet, and Dia.
Where it wins
Chromium fork with native AI agent integration — not a plugin or overlay
YC-backed with weekly releases: 47 releases in ~10 months, v0.43.0 on 2026-03-12
31-tool MCP server integration (v0.42.0); Skills, Memory, SOUL.md in v0.43.0
Supports 11+ LLM providers including local models (Ollama, LMStudio) — browsing history stays on device
314-point HN (Jun 2025) + 88-point thread (Jan 2026 as BrowserOS)
Only credible open-source alternative to Atlas/Comet/Dia
Where to be skeptical
~10 contributors despite YC backing — thin team for a browser product
AGPL-3.0 license may block enterprise adoption
Lane 4 (consumer agentic browser) — different market than developer automation tools
HN criticism flagged prompt injection risk
Editorial verdict
Lane 4 leader. Just crossed 10K stars. 314 HN pts with 206 comments is strong organic engagement. YC S24 backing. Privacy-first Chromium fork with built-in AI. Different market than Lanes 1-3 but clear leader in consumer agentic browsers.
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Public evidence
YC S24 backed Chromium fork with native AI support. 314 HN points with 206 comments is strong organic engagement. Comments flagged prompt injection risk as a known concern.
YC S24 backing provides institutional credibility. Available on macOS, Windows, Linux. 12 built-in AI skills (deep research, price comparison, form filling).
Just crossed the 10K star threshold. Actively maintained — pushed Mar 19. Privacy-first, supports local models (Ollama). 47 releases in ~10 months.
v0.43.0 (2026-03-12) adds Skills, Memory, and SOUL.md — agent-native primitives uncommon in Chromium forks. v0.42.0 added MCP server integration with 31 tools. Weekly release cadence confirms active development.
Raw GitHub source
Constrained peek so you can sanity-check the source material without leaving the site.
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</div> <table> <tr> <td width="50%" align="center" valign="top"> <img src="https://raw.githubusercontent.com/nxtscape/nxtscape/main/packages/browseros/resources/browserclaw/icons/product_logo_192.png" alt="BrowserClaw logo" width="96" height="96" />The browser for AI agents
Claude Code, Codex, Cursor, or any MCP client drives it using the accounts you're already signed into, while you watch live and replay every step.
Website · Docs
</td> <td width="50%" align="center" valign="top"> <img src="https://raw.githubusercontent.com/nxtscape/nxtscape/main/packages/browseros/resources/browseros/icons/product_logo_192.png" alt="BrowserOS logo" width="96" height="96" />The AI browser for humans
An open-source Chromium fork with a built-in AI agent, the privacy-first alternative to ChatGPT Atlas, Perplexity Comet, and Dia.
Website · Docs
</td> </tr> </table> <div align="center">Two browsers, one codebase. Free · Open source (AGPL-3.0) · Local-only · Bring your own AI keys
</div>What is BrowserClaw? BrowserClaw is a free, open-source browser your AI agents drive using your logged-in accounts. You install it like any browser, sign into the sites you use, and give tasks to Claude Code, Codex, Cursor, or any MCP-compatible AI. Your agents work in their own tabs while you watch every step live and replay any session like a video.
Your AI is smart, but it can't press the buttons. Ask it to book a flight, download an invoice, or reply to an email, and it stops at the login screen. BrowserClaw fixes that.
~/.browserclaw/ and never leave your machine. Privacy127.0.0.1.What is BrowserOS? BrowserOS is a free, open-source Chromium fork with an AI agent built into every new tab. Ask it to summarise a page, click through a flow, extract data, or run a scheduled task, and it uses 20+ built-in tools plus 40+ app integrations to get the work done. Bring your own AI keys or run everything locally with Ollama.
Every AI browser today asks you to sign into their cloud and hand over your data. BrowserOS is the one that doesn't. Same daily browser you already use, with a helpful agent one keystroke away.