17 Best Open-Source Browser & Web Agents in 2026 (Ranked by GitHub Activity)

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

🔥 The Web Data API for AI - Turn entire websites into LLM-ready markdown or structured data

Automate browser based workflows with AI

🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.

🚀🤖 Crawl4AI: Open-source LLM Friendly Web Crawler & Scraper. Don't be shy, join here: https://discord.gg/jP8KfhDhyN

Stealth headless browser for AI agents — bypass Cloudflare, bot detection, and anti-scraping. Drop-in Puppeteer/Playwright replacement.

Make Any Website into CLI & Use your logged-in browser by AI agent.

Browser for AI agents to automate in isolated Spaces while sharing your logins, cookies, and tabs

Stealth Chromium that passes every bot detection test. Drop-in Playwright replacement with source-level fingerprint patches. 30/30 tests passed.

The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.

MCP server for AI browser automation with Playwright on anti-detect Firefox and a standalone web UI

Browser Harness | Self-healing harness that enables LLMs to complete any task.

JavaScript in-page GUI agent. Control web interfaces with natural language.

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.

🖥️ Run AI Agent in your browser.

Large Action Model framework to develop AI Web Agents

Headless LLM chatbot platform built on Rasa and LangChain for indexing, retrieval, and context injection