browseros-ai/BrowserOS: YC-Backed Open-Source Agentic Browser Alternative to ChatGPT Atlas and Perplexity Comet

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BrowserOS is a YC-backed, AGPL-3.0 licensed Chromium fork with native AI agent execution. Users describe tasks in natural language and the browser handles clicking, typing, and navigating across 40+ built-in integrations (Gmail, Slack, Notion, Calendar). Supports 11+ LLM providers including local models via Ollama — all data stays on-device. Positions as the open-source privacy-first alternative to ChatGPT Atlas, Perplexity Comet, and Dia.