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Open Source AI Tools

54 tools found

Open source AI tools you can freely use, modify, and self-host. From local LLM runners to code assistants, these tools give you full control over your AI infrastructure with transparent, community-driven development.

Quick Answer

Open source AI tools are freely available under licenses like MIT, Apache 2.0, or GPL. You can inspect the code, modify it for your needs, self-host it on your own servers, and contribute improvements back to the community. They offer maximum transparency, privacy, and customization compared to proprietary alternatives.

Cerebrum

An agent SDK for AIOS to build and manage AI agents.

Open Source

Kestra

One orchestrator for every workflow, from data to AI.

Open Source

Agenta

The open-source workspace for your agents

Open Source

Strands Agents SDK

The open source toolkit for building production agents

Open Source

Pydantic AI

Agent framework to build production apps with Pydantic + LLMs

Open Source

Atomic Agents

Open-source framework for building modular AI agents

Open Source

Pandas AI Agent

The Best AI Dashboard for Business Intelligence

Open Source

Windmill

Code-first orchestration platform for internal software

Open Source

OpenAGI

OpenAGI: When LLM Meets Domain Experts

Open Source

Inngest Agent

Durable Execution for Workflows & AI — unbreakable agents, invisible infra

Freemium

HuggingFace Agent

Build and run agents in a few lines of code

Open Source

Dust

Multiplayer AI for human-agent collaboration

Freemium

crewAI

The Enterprise Agent Build & Runtime for the work your business runs on

Freemium

Composio

Give Claude, Codex, or any harness secure access to 1500+ tools

Freemium

Alibaba AgentScope

The open-source stack for developing, hosting & evolving agents

Open Source

Agno

Agent framework & high-performance runtime for multi-agent systems

Open Source

Agency Swarm

Open-source framework for building reliable multi-agent swarms

Open Source

Deepnote

Collaborative analytics & data science notebook

Freemium

Genmo AI

Open world models — cutting-edge open-source text-to-video

Freemium

Artbreeder

Create characters, artworks & more, powered by AI

Freemium

Haystack

Build custom AI agents and RAG applications with open AI orchestration

Open Source

Pipedream

Connect APIs, AI, databases and more — prompt, run, and deploy AI agents

Freemium

n8n

AI Workflow Automation Platform

Freemium

Stability AI

Unlock human creativity with open-source generative AI models for image, audio, video, and 3D.

Freemium

mini-swe-agent

The 100-line AI agent that solves GitHub issues and assists in your command line.

Open Source

Cossistant

AI Agent Customer Support for Your SaaS in Under 10 Lines of Code

Open Source

basjoo

Controllable AI customer support for modern product teams

Open Source

PR-Agent

Open-source, AI-powered code review agent

Open Source

Pipali

Research, create, automate. Work so fast it feels like play.

Freemium

OwnPilot

Privacy-first personal AI assistant platform. Self-hosted. Your data stays yours.

Open Source

tgo

Multi-channel access, Knowledge base, Multi-agent orchestration, Major LLM support

Open Source

Abu-Cowork

A local-first AI desktop assistant

Open Source

LetsFG

Book Flights & Hotels in Seconds

Freemium

nova-act

Nova Act is an AWS service for building and deploying highly reliable AI agents that automate UI-based workflows at scale.

Free

stagewise

The Agentic IDE for Open-Source Models

Open Source

OpenOutreach

Open-Source AI Lead Finder That Tells You Why Each Lead Fits

Open Source

AingDesk

拥有超强知识库能力的开源免费AI助手

Open Source

sapphire

Sapphire is an agentic framework.

Open Source

resonant

An AI that becomes someone — to you.

Open Source

GoGogot

Open-Source Self-Hosted AI Agent Written in Go

Open Source

Refact.ai Agent

Your open-source, autonomous AI coding agent

Open Source

Sema4.ai

The enterprise AI agent company — SAFE agents for back-office

Open Source

LangGraph

Agent orchestration framework for reliable AI agents

Open Source

Fetch.ai Agents

Your personal AI + trusted brand agents — agent marketplace

Open Source

Z.ai

Zhipu AI — GLM models & autonomous agents (AutoGLM)

Freemium

Qwen Agent

Agent framework built on Qwen — function calling, MCP, code interpreter, RAG

Open Source

Cline

AI coding, open source and uncompromised

Open Source

AutoGPT

Stop building workflows. Start hiring agents.

Freemium

Devika

Open-source agentic AI software engineer (open Devin alternative)

Open Source

OpenHands

The open platform for cloud coding agents

Open Source

Goose

Your open-source AI agent — desktop, CLI & API

Open Source

SWE-agent

Open-source autonomous agent for GitHub issues & coding challenges

Open Source

AgentGPT

Configure & deploy autonomous AI agents

Freemium

BabyAGI

Experimental framework for a self-building autonomous agent

Open Source

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Frequently Asked Questions

What are the best open source AI tools?

The best open source AI tools include local LLM runners (Ollama, LM Studio), coding assistants (Tabby, Continue), AI frameworks (LangChain, LlamaIndex), and multi-agent platforms (CrewAI, AutoGen). Browse the list above sorted by rating to find top-rated options.

Can I use open source AI tools commercially?

It depends on the license. MIT and Apache 2.0 licenses allow commercial use with minimal restrictions. GPL and AGPL require derivative works to also be open source. Always check the specific license of each tool before commercial use.

Are open source AI tools as good as proprietary ones?

Many open source AI tools match or exceed proprietary alternatives in specific areas. Open source LLMs like Llama and Mistral rival GPT-4 for many tasks. The main trade-off is often setup complexity vs. out-of-the-box convenience, not quality.

Can I self-host open source AI tools?

Yes — self-hosting is a primary advantage of open source AI tools. You can run them on your own servers, ensuring complete data privacy and control. However, self-hosting requires technical infrastructure and maintenance. Many tools also offer hosted versions if you prefer convenience.

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