Best Open Source ai agents Libraries
A curated list of the most popular GitHub repositories tagged with ai agents. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.
#1NousResearch/hermes-agent
The agent that grows with you
#2langchain-ai/langchain
The agent engineering platform
#3google-gemini/gemini-cli
An open-source AI agent that brings the power of Gemini directly into your terminal.
#4firecrawl/firecrawl
🔥 The Web Data API for AI - Turn entire websites into LLM-ready markdown or structured data
#5affaan-m/everything-claude-code
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
#6browser-use/browser-use
🌐 Make websites accessible for AI agents. Automate tasks online with ease.
#7dair-ai/Prompt-Engineering-Guide
🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.
#8daytonaio/daytona
Daytona is a Secure and Elastic Infrastructure for Running AI-Generated Code
#9stablyai/orca
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and VPS.
#10Mintplex-Labs/anything-llm
The all-in-one AI productivity accelerator. On device and privacy first with no annoying setup or configuration.
#11microsoft/ai-agents-for-beginners
12 Lessons to Get Started Building AI Agents
#12mem0ai/mem0
Universal memory layer for AI Agents
#13crewAIInc/crewAI
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
#14sickn33/agentic-awesome-skills
AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,005+ agentic skills. Includes CLI, local MCP, catalog, plugins, and Workbench.
#15ComposioHQ/awesome-claude-skills
A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows
#16code-yeongyu/oh-my-openagent
omo; the best agent harness - previously oh-my-opencode
#17agno-agi/agno
Build, run, manage agentic software at scale.
#18thedotmack/claude-mem
A Claude Code plugin that automatically captures everything Claude does during your coding sessions, compresses it with AI (using Claude's agent-sdk), and injects relevant context back into future sessions.
#19VectifyAI/PageIndex
📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG
#20agentscope-ai/QwenPaw
Your Personal AI Assistant; easy to install, deploy on your own machine or on the cloud; supports multiple chat apps with easily extensible capabilities.
#21ItzCrazyKns/Vane
Vane is an AI-powered answering engine.
#22bytedance/deer-flow
An open-source SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skills and subagents, it handles different levels of tasks that could take minutes to hours.
#23topoteretes/cognee
Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.
#24ComposioHQ/composio
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
#25chroma-core/chroma
Open-source search and retrieval database for AI applications.
#26langchain-ai/langgraph
Build resilient language agents as graphs.
#27ashishpatel26/500-AI-Agents-Projects
The 500 AI Agents Projects is a curated collection of AI agent use cases across various industries. It showcases practical applications and provides links to open-source projects for implementation, illustrating how AI agents are transforming sectors such as healthcare, finance, education, retail, and more.
#28deepset-ai/haystack
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
#29sickn33/antigravity-awesome-skills
The Ultimate Collection of 1000+ Agentic Skills for Claude Code/Antigravity/Cursor. Battle-tested, high-performance skills for AI agents including official skills from Anthropic and Vercel.
#30activepieces/activepieces
AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents
#31kortix-ai/suna
Kortix – build, manage and train AI Agents.
#32google/adk-python
An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.
#33NirDiamant/agents-towards-production
This repository delivers end-to-end, code-first tutorials covering every layer of production-grade GenAI agents, guiding you from spark to scale with proven patterns and reusable blueprints for real-world launches.
#34emcie-co/parlant
The conversational control layer for customer-facing AI agents - Parlant is a context-engineering framework optimized for controlling customer interactions.
#35ag-ui-protocol/ag-ui
AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.
#36plandex-ai/plandex
Open source AI coding agent. Designed for large projects and real world tasks.
#37volcengine/OpenViking
OpenViking is an open-source context database designed specifically for AI Agents(such as openclaw). OpenViking unifies the management of context (memory, resources, and skills) that Agents need through a file system paradigm, enabling hierarchical context delivery and self-evolving.
#38RightNow-AI/openfang
Open-source Agent Operating System
#39img2threejs/img2threejs
Rebuild the object in a reference image as a code-only, procedural, quality-gated, animation-ready Three.js model. Token-efficient image-to-3D.
#40earthtojake/text-to-cad
A library of agent skills for CAD, CAE and CAM
#41vxcontrol/pentagi
✨ Fully autonomous AI Agents system capable of performing complex penetration testing tasks
#42cloudflare/moltworker
Run OpenClaw, (formerly Moltbot, formerly Clawdbot) on Cloudflare Workers
#43saturndec/waoowaoo
首家工业级全流程 AI 影视生产平台。Industry-first professional AI Agent platform for controllable film & video production. From shorts to live-action with Hollywood-standard workflows.
#44sigoden/aichat
All-in-one LLM CLI tool featuring Shell Assistant, Chat-REPL, RAG, AI Tools & Agents, with access to OpenAI, Claude, Gemini, Ollama, Groq, and more.
#45omnigent-ai/omnigent
Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.
#46ntegrals/openbrowser
Let AI agents browse the web. An autonomous toolkit for browser-based AI agents.
#47rowboatlabs/rowboat
Open-source AI coworker, with memory
#48flyteorg/flyte
Dynamic, resilient AI orchestration. Coordinate data, models, and compute as you build AI workflows.
#49open-multi-agent/open-multi-agent
TypeScript AI agent orchestration framework with dynamic workflows. Describe the goal, not the graph: a coordinator plans the task DAG at runtime and runs it on any LLM (Claude, ChatGPT, Gemini, DeepSeek, or local models).
#50GreptimeTeam/greptimedb
The open-source observability database. One columnar engine for metrics, logs, and traces, on object storage.