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Open Source AI Tools

73 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.

Windmill

Windmill

Build, deploy, and monitor internal software at scale with real code capabilities.

Open Source
Vapi

Vapi

Voice AI agents for developers: simple, configurable, and scalable.

Freemium
Trunk.io

Trunk.io

Keep CI Green: Eliminate flaky tests and merge bottlenecks

Freemium
Trigger.dev

Trigger.dev

Build and deploy fully-managed AI agents and workflows in TypeScript

Freemium
Temporal AI

Temporal AI

Build applications that never lose state, even when everything else fails.

Freemium
TaskWeaver

TaskWeaver

The code-first agent framework for seamless data analytics.

Open Source
Tabby

Tabby

Secure, flexible, and transparent AI coding assistant for every developer.

Open Source
Swarms

Swarms

Build, deploy, and scale autonomous AI agent swarms with unprecedented control

Freemium
SuperAGI

SuperAGI

Supercharge your business with digital workers and agentic software

Open Source
SmythOS

SmythOS

Give Your AI Claws, Without Giving Away the Keys.

Freemium
Stagehand

Stagehand

Automate web interactions reliably with an AI-native browser automation framework for developers

Open Source
Sourcery AI

Sourcery AI

Automated code reviews designed for security and speed in the AI era.

Freemium
smolagents

smolagents

Build great AI agents in Python that autonomously think and act in code.

Open Source
Rivet

Rivet

The Open-Source Visual AI Programming Environment

Open Source
Relevance AI

Relevance AI

Scale GTM results, without scaling headcount.

Freemium
PraisonAI

PraisonAI

AI Agents That Work For You, 24/7

Open Source
OpenAGI

OpenAGI

Orchestrate diverse AI agents for complex, multi-domain problem-solving.

Open Source
Mem0 AI

Mem0 AI

Give your AI infinite recall with a universal, self-improving memory layer.

Freemium
LlamaIndex

LlamaIndex

Core building blocks for AI agents and document automation

Open Source
LinearB

LinearB

Transform raw code into reliable delivery with purpose-built tools for the AI era

Freemium
Letta

Letta

Build deeply personalized AI agents that remember, learn, and evolve.

Freemium
Langflow

Langflow

Build and deploy AI agents and MCP servers with a visual, customizable framework.

Open Source
LangChain Agents

LangChain Agents

The open-source framework and platform for building, observing, and deploying AI agents.

Open Source
Inngest Agent

Inngest Agent

Make any code durable by default for reliable workflows and AI agents

Freemium
HuggingFace Agent

HuggingFace Agent

Collaborate on state-of-the-art AI models, datasets, and applications with the ML community.

Open Source
Harness AI

Harness AI

Intelligent AI automation for faster, safer, and smarter code delivery.

Freemium
Composio

Composio

Skills that evolve with your Agents

Freemium
CAMEL-AI

CAMEL-AI

An open-source framework for building, simulating, and automating multi-agent AI systems

Open Source
Browser Use

Browser Use

Automate web tasks at scale with undetectable AI agents and custom LLMs.

Freemium
Bee Agent Framework

Bee Agent Framework

Build production-ready AI agents with Python and TypeScript for any LLM.

Open Source
AutoGen

AutoGen

Build and orchestrate multi-agent AI systems with conversational capabilities

Open Source
Atoms

Atoms

Turn ideas into products that sell with an AI employee team

Freemium
Agno

Agno

A new architecture for multi-agent systems that runs in your cloud.

Freemium
Agentic Framework

Agentic Framework

The curated marketplace for LLM tools that work with any AI agent SDK

Freemium
Agency Swarm

Agency Swarm

Reliable multi-agent orchestration framework for autonomous AI teams

Open Source
MindsDB

MindsDB

From data to insights at the speed of thought.

Open Source
Snyk

Snyk

Unleash AI Innovators Securely

Freemium
Activepieces

Activepieces

Empower every team with AI agents, IT control, and enterprise security.

Open Source
Tilde AI

Tilde AI

Trusted language AI, built in and for Europe

Freemium
Smartcat

Smartcat

Translate and generate content in any language with AI and human workflows.

Freemium
Snyk Code

Snyk Code

Secure your code as it's written, from development to deployment.

Freemium
AudioCraft

AudioCraft

Generate high-quality audio and music from text with Meta's open-source AI.

Open Source
Resemble AI

Resemble AI

Create and detect hyper-realistic AI voices with advanced generative and deepfake technology.

Freemium
Qdrant

Qdrant

High-performance vector search engine for production-grade AI applications at any scale.

Freemium
Weaviate

Weaviate

Design, build, and ship complete AI experiences with Weaviate.

Freemium
Algolia

Algolia

One AI retrieval platform to power agentic, generative, and search experiences

Freemium
Typesense

Typesense

Lightning-fast, open-source search engine for instant, relevant results.

Open Source
Meilisearch

Meilisearch

Build, scale, and unify search and AI retrieval for any application.

Freemium
Vespa AI

Vespa AI

Compute over your data with millisecond latency for AI-driven applications.

Open Source
Genmo AI

Genmo AI

Develop the world's most sophisticated AI video world models.

Freemium
CodeRabbit

CodeRabbit

Cut code review time & bugs in half Instantly.

Freemium
JARVIS (HuggingGPT)

JARVIS (HuggingGPT)

Orchestrate expert AI models with an LLM as the central controller

Open Source
Mistral Task Agent

Mistral Task Agent

Empower organizations to build tailored AI systems and deploy intelligent agents.

Freemium
HuggingGPT

HuggingGPT

Orchestrate large language models with the vast ML community for complex AI task execution.

Open Source
DeepMind SIMA Agent

DeepMind SIMA Agent

A generalist AI agent that plays, reasons, and learns with you in 3D virtual worlds

Free
Factory AI

Factory AI

Agent-Native Software Development: Droids that work everywhere you do

Freemium
STORM (Stanford)

STORM (Stanford)

Get a Wikipedia-like report on your topic with AI

Open Source
Skyvern

Skyvern

Automate browser-based workflows with AI agents that adapt to any website.

Freemium
Cline

Cline

The Open Coding Agent

Freemium
GPT Researcher

GPT Researcher

Your AI mate for rapid deep research, delivering accurate and factual results at speed.

Open Source
AutoGPT

AutoGPT

Empower your digital tasks with AutoGPT, amplifying human potential.

Open Source
Synthflow AI

Synthflow AI

Enterprise-Ready Voice AI Agents for Automated Phone Calls

Freemium
Augment Code

Augment Code

Build software with AI agents that understand your entire codebase.

Freemium
Devika

Devika

An open-source autonomous AI agent for coding and software development.

Open Source
Plandex

Plandex

Build real-world software with AI, designed for large projects and complex tasks.

Open Source
OpenHands

OpenHands

The open platform for cloud coding agents.

Freemium
Goose

Goose

An extensible AI agent for code generation, execution, editing, and testing with any LLM.

Open Source
SWE-agent

SWE-agent

Autonomously fix GitHub issues and perform coding tasks with your preferred language model.

Open Source
Bardeen

Bardeen

Find and reach leads no one else can.

Freemium
Julep

Julep

Backend for production-ready agentic workflows, designed to ship reliable AI agents at scale.

Freemium
AgentGPT

AgentGPT

Assemble, configure, and deploy autonomous AI Agents directly in your browser.

Freemium
BabyAGI

BabyAGI

A self-building autonomous agent framework for dynamic function management.

Open Source
VERIFY-FIX-AGENT

VERIFY-FIX-AGENT

Orchestrate AI agents to collaborate, plan, and build software autonomously

Freemium

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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