Best Open-Source Agent Framework AI Agents (2026)
As of July 2026, the top open-source agent framework AI agent is agentic-awesome-skills by sickn33, with an overall score of 87.4 / 100. 29 agent framework agents are tracked in this category on The Agentic Leaderboard.
| Rank | Agent | Score |
|---|---|---|
| #3 | agentic-awesome-skills by sickn33 | 87.4 |
| #10 | langchain by langchain-ai | 86.3 |
| #12 | ai by vercel | 86.1 |
| #18 | llama_index by run-llama | 85.5 |
| #26 | crewAI by crewAIInc | 85.1 |
| #28 | deer-flow by bytedance | 85.0 |
| #31 | dspy by stanfordnlp | 84.9 |
| #32 | semantic-kernel by microsoft | 84.9 |
| #33 | sim by simstudioai | 84.9 |
| #35 | langgraph by langchain-ai | 84.8 |
| #39 | deepagents by langchain-ai | 84.7 |
| #42 | pydantic-ai by pydantic | 84.7 |
| #47 | ruflo by ruvnet | 84.4 |
| #53 | edict by cft0808 | 84.2 |
| #60 | composio by ComposioHQ | 84.0 |
| #64 | zeroclaw by zeroclaw-labs | 83.9 |
| #67 | mem0 by mem0ai | 83.8 |
| #70 | claude-mem by thedotmack | 83.6 |
| #75 | eliza by elizaOS | 83.6 |
| #81 | ragflow by infiniflow | 83.3 |
| #84 | adk-python by google | 83.3 |
| #89 | agno by agno-agi | 83.1 |
| #90 | openai-agents-python by openai | 83.1 |
| #93 | agentscope by agentscope-ai | 83.0 |
| #94 | agent-framework by microsoft | 83.0 |
| #95 | spring-ai-alibaba by alibaba | 83.0 |
| #96 | pi by earendil-works | 82.9 |
| #99 | litellm by BerriAI | 82.8 |
| #100 | nanobot by HKUDS | 82.8 |