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Open Source Toolkit

Know how to use it before you click: online, self-hosted, desktop, CLI

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AI agents

39 curated open-source projects

OpenCode

sst/opencode
Download & install

The open source coding agent.

Coding agentCommand line
209.5k TypeScript DownloadRepository

n8nLicense unclear

n8n-io/n8n
One-command deploy

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

WorkflowAutomationSelf-hostable
205.7k TypeScript DeployRepository

AutoGPT

Significant-Gravitas/AutoGPT
Library

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

AI agentAutonomous planning
187.5k Python DeployRepository

LangChain

langchain-ai/langchain
Library

The agent engineering platform.

AI agentFrameworkDeveloper
146.9k Python DocsRepository

Browser Use

browser-use/browser-use
Library

Agents that use the browser.

Browser automationAI agent
116.0k Python DocsRepository

MCP Servers

modelcontextprotocol/servers
Download & install

Model Context Protocol Servers

Tool protocolAI agent
90.6k TypeScript DownloadRepository

OpenHands

All-Hands-AI/OpenHands
Download & install

🙌 OpenHands: AI-Driven Development

AI codingSelf-hostable
88.9k Python DownloadRepository

MetaGPT

geekan/MetaGPT
Library

🌟 The Multi-Agent Framework: First AI Software Company, Towards Natural Language Programming

Multi-agentFramework
70.6k Python DocsRepository

Cline

cline/cline
Download & install

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Coding agentDeveloperExtension
69.1k TypeScript Get the add-onRepository

Open Interpreter

OpenInterpreter/open-interpreter
Download & install

A coding agent for open models like Kimi K3 and GLM 5.3

AI agentCommand lineAutonomous planning
68.4k Rust DownloadRepository

Mem0

mem0ai/mem0
Library

The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

Agent memoryAI agent
65.9k Python DeployRepository

AutoGen

microsoft/autogen
Library

A programming framework for agentic AI

Multi-agentFrameworkDeveloper
61.1k Python DocsRepository

LiteLLM

BerriAI/litellm
Library

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

Model gatewayAI agentSelf-hostable
59.4k Python DeployRepository

CrewAI

crewAIInc/crewAI
Library

Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.

Multi-agentFrameworkDeveloper
58.9k Python DocsRepository

Goose

block/goose
Download & install

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Coding agentCommand line
54.6k Rust DownloadRepository

Aider

Aider-AI/aider
Download & install

aider is AI pair programming in your terminal

AI codingCommand line
49.1k Python DownloadRepository

Agno

agno-agi/agno
Library

Build, run, and manage agent platforms.

AI agentFrameworkDeveloper
42.3k Python DocsRepository

LangGraph

langchain-ai/langgraph
Library

Build resilient agents.

AI agentMulti-agentFramework
42.2k Python DocsRepository

Langfuse

langfuse/langfuse
One-command deploy

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

ObservabilityAI agentSelf-hostable
35.0k TypeScript DeployRepository

GPT Pilot

Pythagora-io/gpt-pilot
Download & install

The first real AI developer

Coding agentDeveloper
33.7k Python DownloadRepository

OpenAI Agents SDK

openai/openai-agents-python
Library

A lightweight, powerful framework for multi-agent workflows

AI agentFrameworkDeveloper
29.6k Python DocsRepository

smolagents

huggingface/smolagents
Library

🤗 smolagents: a barebones library for agents that think in code.

AI agentFrameworkDeveloper
29.5k Python DocsRepository

Semantic Kernel

microsoft/semantic-kernel
Library

Integrate cutting-edge LLM technology quickly and easily into your apps

AI agentFrameworkDeveloper
28.6k C# DocsRepository

Mastra

mastra-ai/mastra
Download & install

Mastra is the modern TypeScript framework for AI-powered applications and agents.

AI agentFrameworkDeveloper
28.3k TypeScript DownloadRepository

Stagehand

browserbase/stagehand
Library

The SDK to extract data and interact with any site on the web. Get started with Claude Code, Codex, Eve, Mastra, and more.

Browser automationDeveloper
25.3k TypeScript DocsRepository

Letta

letta-ai/letta
Library

Platform for stateful agents: AI with advanced memory that can learn and self-improve over time.

Agent memoryAI agentSelf-hostable
24.9k Python DeployRepository

Activepieces

activepieces/activepieces
Needs setup

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

WorkflowAutomationSelf-hostable
24.7k TypeScript DeployRepository

Skyvern

Skyvern-AI/skyvern
One-command deploy

Automate browser based workflows with AI

Browser automationAI agentSelf-hostable
23.1k Python DeployRepository

Agent Development Kit

google/adk-python
Library

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

AI agentFrameworkDeveloper
21.6k Python DocsRepository

SWE-agent

SWE-agent/SWE-agent
Download & install

SWE-agent takes a GitHub issue and tries to automatically fix it, using your LM of choice. It can also be employed for offensive cybersecurity or competitive coding challenges. [NeurIPS 2024]

Coding agentAI coding
20.4k Python DownloadRepository

Pydantic AI

pydantic/pydantic-ai
Library

How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.

AI agentFrameworkDeveloper
20.1k Python DocsRepository

E2B

e2b-dev/E2B
Library

Open-source, secure environment with real-world tools for enterprise-grade agents.

SandboxAI agentDeveloper
13.9k Python DeployRepository

Nanobrowser

nanobrowser/nanobrowser
Download & install

Open-Source Chrome extension for AI-powered web automation. Run multi-agent workflows using your own LLM API key. Alternative to OpenAI Operator.

AutomationBrowser extension
13.8k TypeScript Get the add-onRepository

Self-Operating Computer

OthersideAI/self-operating-computer
Download & install

A framework to enable a multimodal model to operate a computer.

AI agentBrowser automation
10.3k Python DownloadRepository

UFO

microsoft/UFO
Download & install

UFO³: Weaving the Digital Agent Galaxy

AI agentDesktopAutonomous planning
0 Python DownloadRepository

CopilotKit

CopilotKit/CopilotKit
Library

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

AI agentChat UIDeveloper
0 TypeScript DocsRepository

Chainlit

chainlit/chainlit
Library

Build Conversational AI in minutes ⚡️

Chat UIAI agentDeveloper
0 Python DocsRepository