Best Open Source AI Tools
Open source AI ecosystems for hosting, running, and building with machine learning models locally
4 tools
Chat & AssistantsFoundation ModelsAI AgentsCode & DevelopmentImage GenerationVideo & AnimationAI AvatarsAudio & SpeechMusic GenerationWriting & ContentDesign & CreativeSearch & ResearchWebsite BuildersAutomation & WorkflowsAPI PlatformsOpen Source
Hugging Face
Largest open-source AI model community for hosting, training and deploying models
FreeOpen Source
LangChain
Open-source framework for building LLM-powered applications quickly
FreeOpen Source
Ollama
Open-source platform for running LLMs locally, run hundreds of models like Llama, DeepSeek, Qwen with one command
FreeOpen Source
LM Studio
The lowest-barrier desktop app for running LLMs locally: download and run open models with a GUI (llama.cpp + Apple MLX engines), a built-in OpenAI-compatible local API server and MCP client — free for personal and commercial use since 2025, with the new Bionic agent app launched in 2026
FreeAPI