58 open-source agents tracked · Ranked by trust score · Updated 2026-05-30 20:03 UTC
HVTracker independently evaluates 58 open-source agent frameworks using daily signals from GitHub, package registries, and security databases. Each agent is scored on activity, adoption, transparency, safety, and identity. The top-ranked agent frameworks is LangGraph with a trust score of 91.9/100 (Grade B). Other leading projects include PydanticAI and Vercel AI SDK.
| # | Agent | Trust | Stars | Language |
|---|---|---|---|---|
| 1 | LangGraph B Build resilient agents. | 91.9 | 33.4k | Python |
| 2 | PydanticAI B AI Agent Framework, the Pydantic way | 90.7 | 17.4k | Python |
| 3 | Vercel AI SDK B The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-po | 90.5 | 24.5k | TypeScript |
| 4 | OpenAI Agents SDK B A lightweight, powerful framework for multi-agent workflows | 90.1 | 26.8k | Python |
| 5 | Strands Agents C A model-driven approach to building AI agents in just a few lines of code. | 87.9 | 6.0k | Python |
| 6 | AIPass C Persistent Agent Workspace — AI agents that remember, collaborate, and never start from zero. | 80.9 | 173 | Python |
| 7 | AutoGen B A programming framework for agentic AI | 78.1 | 58.5k | Python |
| 8 | CrewAI B Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers | 78.0 | 52.5k | Python |
| 9 | LangChain B The agent engineering platform. | 75.0 | 138.0k | Python |
| 10 | AutoGPT B AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so tha | 69.3 | 184.7k | Python |
| 11 | Composio B Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you b | 68.8 | 28.5k | TypeScript |
| 12 | CopilotKit B The Frontend Stack for Agents & Generative UI. React + Angular. Makers of the AG-UI Protocol | 68.5 | 31.8k | TypeScript |
| 13 | Agno B Build, run, and manage agent platforms. | 68.4 | 40.4k | Python |
| 14 | Microsoft Agent Framework D A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .N | 67.7 | 10.9k | Python |
| 15 | AgentScope C Build and run agents you can see, understand and trust. | 67.1 | 25.9k | Python |
| 16 | Google ADK (Go) D An open-source, code-first Go toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility a | 67.1 | 8.0k | Go |
| 17 | Semantic Kernel B Integrate cutting-edge LLM technology quickly and easily into your apps | 66.9 | 28.0k | C# |
| 18 | Griptape B Modular Python framework for AI agents and workflows with chain-of-thought reasoning, tools, and memory. | 66.7 | 2.5k | Python |
| 19 | Google ADK (Python) C An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibili | 64.6 | 19.9k | Python |
| 20 | Burr B Build applications that make decisions (chatbots, agents, simulations, etc...). Monitor, trace, persist, and execute on | 64.5 | 2.0k | Python |
| 21 | Guidance C A guidance language for controlling large language models. | 62.3 | 21.5k | Jupyter Notebook |
| 22 | Marvin B an ambient intelligence library | 62.1 | 6.2k | Python |
| 23 | VoltAgent C AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework | 61.8 | 9.2k | TypeScript |
| 24 | Spring AI Alibaba D Agentic AI Framework for Java Developers | 61.1 | 9.8k | Java |
| 25 | Langroid B Harness LLMs with Multi-Agent Programming | 59.0 | 4.0k | Python |
| 26 | Agency Swarm B Reliable Multi-Agent Orchestration Framework | 58.4 | 4.4k | Python |
| 27 | Atomic Agents B Building AI agents, atomically | 57.6 | 6.0k | Python |
| 28 | AdalFlow B AdalFlow: The library to build & auto-optimize LLM applications. | 56.3 | 4.2k | Python |
| 29 | TinyTroupe B LLM-powered multiagent persona simulation for imagination enhancement and business insights. | 54.2 | 7.5k | Jupyter Notebook |
| 30 | FastAgency B The fastest way to bring multi-agent workflows to production. | 53.6 | 540 | Python |
| 31 | Swarm by OpenAI B Educational framework exploring ergonomic, lightweight multi-agent orchestration. Managed by OpenAI Solution team. | 50.9 | 21.6k | Python |
| 32 | Mastra C From the team behind Gatsby, Mastra is a framework for building AI-powered applications and agents with a modern TypeScr | 49.0 | 24.6k | TypeScript |
| 33 | Qwen Agent B Agent framework and applications built upon Qwen>=3.0, featuring Function Calling, MCP, Code Interpreter, RAG, Chrome ex | 46.6 | 16.4k | Python |
| 34 | ControlFlow B 🦾 Take control of your AI agents | 46.6 | 1.4k | Python |
| 35 | Sotopia agents B Sotopia: an Open-ended Social Learning Environment (ICLR 2024 spotlight) | 44.5 | 307 | Python |
| 36 | LlamaIndex C LlamaIndex is the leading document agent and OCR platform | 42.8 | 49.8k | Python |
| 37 | Google Genkit C Open-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in production by Google | 41.5 | 6.1k | TypeScript |
| 38 | OpenSSA B OpenSSA: Small Specialist Agents based on Domain-Aware Neurosymbolic Agent (DANA) architecture for industrial problem-so | 38.1 | 324 | Python |
| 39 | smolagents C 🤗 smolagents: a barebones library for agents that think in code. | 38.0 | 27.6k | Python |
| 40 | JARVIS / HuggingGPT C JARVIS, a system to connect LLMs with ML community. Paper: https://arxiv.org/pdf/2303.17580.pdf | 36.4 | 24.8k | Python |
| 41 | SwarmZero B SwarmZero's SDK for building AI agents, swarms of agents and much more. | 36.4 | 272 | Python |
| 42 | Bee Agent Framework C Build production-ready AI agents in both Python and Typescript. | 36.1 | 3.3k | Python |
| 43 | AgentLite C | 35.3 | 644 | Jupyter Notebook |
| 44 | PraisonAI D PraisonAI 🦞 — Hire a 24/7 AI Workforce. Stop writing boilerplate and start shipping autonomous self-improving agents tha | 34.9 | 8.0k | Python |
| 45 | Eliza D Open source agentic operating system | 33.6 | 18.5k | TypeScript |
| 46 | Agent Laboratory C Agent Laboratory is an end-to-end autonomous research workflow meant to assist you as the human researcher toward implem | 33.3 | 5.7k | Python |
| 47 | OpenAgents C [COLM 2024] OpenAgents: An Open Platform for Language Agents in the Wild | 30.0 | 4.8k | Python |
| 48 | Voyager Minecraft Agent C An Open-Ended Embodied Agent with Large Language Models | 28.3 | 6.9k | JavaScript |
| 49 | BabyAGI B | 27.8 | 22.3k | Python |
| 50 | TinyAgents C Tiny Agents: LLM + MCP Tools | 27.7 | 70 | Python |
| 51 | AgentLLM C AgentLLM is a PoC for browser-native autonomous agents | 26.8 | 468 | JavaScript |
| 52 | AIlice C AIlice is a fully autonomous, general-purpose AI agent. | 25.2 | 1.4k | Python |
| 53 | XAgent C An Autonomous LLM Agent for Complex Task Solving | 25.0 | 8.5k | Python |
| 54 | OpenManus D No fortress, purely open ground. OpenManus is Coming. | 22.6 | 56.4k | Python |
| 55 | Generative Agents C Generative Agents: Interactive Simulacra of Human Behavior | 22.3 | 21.4k | — |
| 56 | Agent Hospital C ## AI医院: Multi-Agent 医学智能体 与患者进行多轮对话，提出相关和探索性的问题，推荐适当的医学检查，并在收集足够的信息后做出诊断。设置检查员，他们专门负责与患者互动并提供相关的医学检查结果，确保医生能够获得患者必要的客观信 | 21.5 | 54 | Python |
| 57 | TaskWeaver D The first "code-first" agent framework for seamlessly planning and executing data analytics tasks. | 19.3 | 6.2k | Python |
| 58 | OpenAGI C OpenAGI: When LLM Meets Domain Experts | 12.4 | 2.3k | Python |