Best AI Agent Frameworks — 2026
Top open source AI agent frameworks ranked by GitHub stars. Build autonomous AI agents with these tools.
📊 Data source: GitHub API
15 reposThe agent that grows with you
Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
Python tool for converting files and office documents to Markdown.
FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models
The agent engineering platform.
100+ AI Agent & RAG apps you can actually run — clone, customize, ship.
A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes, and proven deliverables.
An open-source AI agent that brings the power of Gemini directly into your terminal.
🌐 Make websites accessible for AI agents. Automate tasks online with ease.
AI agents running research on single-GPU nanochat training automatically
Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More
🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.
🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.
🗂 The essential checklist for modern web development, for humans and AI agents
An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.