# The Agent Index

> The living index of AI agent frameworks — the libraries used to build agentic systems:
> multi-agent, autonomous agents, orchestration, memory and agent SDKs — ranked daily by GitHub momentum.

Updated: 2026-06-13T12:05:13.652410+00:00
Tools indexed: 278

## Top AI agent frameworks by momentum

- [Significant-Gravitas/AutoGPT](https://github.com/Significant-Gravitas/AutoGPT) — momentum 87, ⭐184922 — Autonomous Agents — AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provi
- [langchain-ai/langchain](https://github.com/langchain-ai/langchain) — momentum 86, ⭐139184 — Agent Frameworks — The agent engineering platform.
- [browser-use/browser-use](https://github.com/browser-use/browser-use) — momentum 84, ⭐98586 — Tools & Browser — 🌐 Make websites accessible for AI agents. Automate tasks online with ease.
- [bytedance/deer-flow](https://github.com/bytedance/deer-flow) — momentum 83, ⭐71092 — Agent Frameworks — An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of
- [mem0ai/mem0](https://github.com/mem0ai/mem0) — momentum 82, ⭐58471 — Memory & State — Universal memory layer for AI Agents
- [crewAIInc/crewAI](https://github.com/crewAIInc/crewAI) — momentum 81, ⭐53418 — Multi-Agent — Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intellige
- [run-llama/llama_index](https://github.com/run-llama/llama_index) — momentum 81, ⭐50105 — Agent Frameworks — LlamaIndex is the leading document agent and OCR platform
- [HKUDS/nanobot](https://github.com/HKUDS/nanobot) — momentum 80, ⭐44144 — Orchestration — Lightweight, open-source AI agent for your tools, chats, and workflows.
- [agno-agi/agno](https://github.com/agno-agi/agno) — momentum 80, ⭐40670 — Agent Frameworks — Build, run, and manage agent platforms.
- [mindsdb/minds](https://github.com/mindsdb/minds) — momentum 80, ⭐39299 — Tools & Browser — General-purpose AI designed for knowledge workers — creators, strategists, and operators — and indiv
- [CopilotKit/CopilotKit](https://github.com/CopilotKit/CopilotKit) — momentum 79, ⭐34955 — Agent Frameworks — The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more.  Makers of t
- [langchain-ai/langgraph](https://github.com/langchain-ai/langgraph) — momentum 79, ⭐34603 — Orchestration — Build resilient agents.
- [AstrBotDevs/AstrBot](https://github.com/AstrBotDevs/AstrBot) — momentum 79, ⭐34580 — Agent Frameworks — AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and A
- [simstudioai/sim](https://github.com/simstudioai/sim) — momentum 79, ⭐28760 — Orchestration — Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforc
- [ComposioHQ/composio](https://github.com/ComposioHQ/composio) — momentum 78, ⭐28750 — Agent Frameworks — Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed wor
- [getzep/graphiti](https://github.com/getzep/graphiti) — momentum 78, ⭐27372 — Memory & State — Build Real-Time Knowledge Graphs for AI Agents
- [openai/openai-agents-python](https://github.com/openai/openai-agents-python) — momentum 78, ⭐27121 — Multi-Agent — A lightweight, powerful framework for multi-agent workflows
- [kestra-io/kestra](https://github.com/kestra-io/kestra) — momentum 78, ⭐27051 — Orchestration — Event Driven Orchestration & Scheduling Platform for Mission Critical Applications
- [agentscope-ai/agentscope](https://github.com/agentscope-ai/agentscope) — momentum 78, ⭐26758 — Agent Frameworks — Build and run agents you can see, understand and trust.
- [Fosowl/agenticSeek](https://github.com/Fosowl/agenticSeek) — momentum 78, ⭐26511 — Autonomous Agents — Fully Local Manus AI. No APIs, No $200 monthly bills. Enjoy an autonomous agent that thinks, browses
- [volcengine/OpenViking](https://github.com/volcengine/OpenViking) — momentum 78, ⭐25596 — Memory & State — OpenViking is an open-source context database designed specifically for AI Agents(such as openclaw).
- [deepset-ai/haystack](https://github.com/deepset-ai/haystack) — momentum 78, ⭐25559 — Memory & State — Open-source AI orchestration framework for building context-engineered, production-ready LLM applica
- [mastra-ai/mastra](https://github.com/mastra-ai/mastra) — momentum 78, ⭐25008 — Agent Frameworks — From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents w
- [a2aproject/A2A](https://github.com/a2aproject/A2A) — momentum 78, ⭐24266 — Agent Frameworks — Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque age
- [browser-use/browser-harness](https://github.com/browser-use/browser-harness) — momentum 78, ⭐14749 — Autonomous Agents — Browser Harness | Self-healing harness that enables LLMs to complete any task.
- [666ghj/BettaFish](https://github.com/666ghj/BettaFish) — momentum 77, ⭐41362 — Agent Frameworks — 微舆：人人可用的多Agent舆情分析助手，打破信息茧房，还原舆情原貌，预测未来走向，辅助决策！从0实现，不依赖任何框架。
- [PrefectHQ/fastmcp](https://github.com/PrefectHQ/fastmcp) — momentum 77, ⭐25615 — Agent Frameworks — 🚀 The fast, Pythonic way to build MCP servers and clients.
- [browserbase/stagehand](https://github.com/browserbase/stagehand) — momentum 77, ⭐23095 — Tools & Browser — The SDK For Browser Agents
- [activepieces/activepieces](https://github.com/activepieces/activepieces) — momentum 77, ⭐22730 — Orchestration — AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Ag
- [google/adk-python](https://github.com/google/adk-python) — momentum 77, ⭐20093 — Agent Frameworks — An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI a
- [camel-ai/owl](https://github.com/camel-ai/owl) — momentum 77, ⭐19843 — Multi-Agent — 🦉 OWL: Optimized Workforce Learning for General Multi-Agent Assistance in Real-World Task Automation
- [elizaOS/eliza](https://github.com/elizaOS/eliza) — momentum 77, ⭐18571 — Agent Frameworks — Open source agentic operating system
- [aiming-lab/AutoResearchClaw](https://github.com/aiming-lab/AutoResearchClaw) — momentum 77, ⭐13394 — Autonomous Agents — Fully autonomous & self-evolving research from idea to paper. Chat an Idea. Get a Paper. 🦞
- [strukto-ai/mirage](https://github.com/strukto-ai/mirage) — momentum 77, ⭐3147 — Agent Frameworks — A Unified Virtual Filesystem For AI Agents
- [OpenBMB/ChatDev](https://github.com/OpenBMB/ChatDev) — momentum 76, ⭐33384 — Multi-Agent — ChatDev 2.0: Dev All through LLM-powered Multi-Agent Collaboration
- [assafelovic/gpt-researcher](https://github.com/assafelovic/gpt-researcher) — momentum 76, ⭐27672 — Autonomous Agents — An autonomous agent that conducts deep research on any data using any LLM providers
- [emcie-co/parlant](https://github.com/emcie-co/parlant) — momentum 76, ⭐18114 — Agent Frameworks — Build reliable customer-facing AI agents with Parlant: an interaction control harness optimized for 
- [arc53/DocsGPT](https://github.com/arc53/DocsGPT) — momentum 76, ⭐17934 — Agent Frameworks — Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep resea
- [trycua/cua](https://github.com/trycua/cua) — momentum 76, ⭐17875 — Tools & Browser — Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and eva
- [topoteretes/cognee](https://github.com/topoteretes/cognee) — momentum 76, ⭐17804 — Memory & State — Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term me