Best AI tools: Agent frameworks (open source)

7 tools ranked by the public ToolStandings score. Orange "prov." = some inputs not yet verified.

#ToolUse casesPricingScore
1Browser Use Browser automation agentsAgent frameworks (open source) open-source83.8
2LangChain Agent frameworks (open source)RAG & vector databases open-source80.7
3LlamaIndex Agent frameworks (open source)RAG & vector databases open-source75
4LangGraph Agent frameworks (open source) open-source72.4
5CrewAI Agent frameworks (open source)AI agent platforms open-source71.4
6AutoGen Agent frameworks (open source) open-source69
7Hermes Agent plugins (Nous Research) Agent frameworks (open source) open-source60.9
The Weekly Standings — new launches, movers & fallers, every week.