Top Open Source AI Projects
The open models, apps and frameworks people actually build with — 100 of them, grouped by what they make, from language models and video to games, websites, music and research.
LLM
16 projects
- Llama Meta's family of open-weight language models.
- DeepSeek Open-weight reasoning and chat models with MIT-licensed weights.
- Qwen Alibaba's open-weight model family, from tiny to frontier-scale.
- Mistral Apache-licensed models from the Paris-based lab.
- Gemma Google's lightweight open models built from Gemini research.
- gpt-oss OpenAI's Apache-licensed open-weight reasoning models.
- Kimi K2 Moonshot AI's open mixture-of-experts model tuned for agents.
- Ollama Pull and run open models locally with one command.
- llama.cpp C/C++ inference that runs LLMs on CPUs, Macs and GPUs.
- vLLM High-throughput serving engine for LLMs in production.
- SGLang Fast serving framework for language and vision models.
- Open WebUI Self-hosted ChatGPT-style interface for local and API models.
- Jan Offline desktop app for chatting with local models.
- Transformers Hugging Face's library for loading and fine-tuning models.
- LangChain Framework for chaining LLM calls, tools and retrieval.
- LlamaIndex Data framework for connecting LLMs to your documents.
Video Creation & Synthesis
14 projects
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Wan2.1
Alibaba's open video model that runs on consumer GPUs.
- HunyuanVideo Tencent's large open text-to-video model.
- LTX-Video Lightricks' real-time-speed video generation model.
- CogVideoX Open text- and image-to-video models from Zhipu AI.
- Mochi 1 Genmo's Apache-licensed video model with strong motion.
- Open-Sora Fully open reproduction of Sora-style video generation.
- FramePack Long image-to-video generation on as little as 6GB VRAM.
- SkyReels Infinite-length film generation from Skywork AI.
- AnimateDiff Turns Stable Diffusion checkpoints into animation.
- LivePortrait Animates a still portrait from a driving video.
- Video2X ML-based video upscaling and frame interpolation.
- pyVideoTrans Video translation and dubbing pipeline.
- ViMax Agentic video generation - director, writer and producer.
- OpenMontage Montage and highlight-reel builder.
Graphics & Visual Art Creation
12 projects
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Stable Diffusion
Open-weight image models you can run yourself.
- FLUX Black Forest Labs' open image models, including FLUX.1 [dev].
- Qwen-Image Image generation and editing with sharp text rendering.
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ComfyUI
Node-based workflow builder for diffusion models.
- AUTOMATIC1111 The classic Stable Diffusion web UI.
- Stable Diffusion WebUI Forge Faster, leaner fork of the AUTOMATIC1111 UI.
- Fooocus Prompt-and-go image generation with sensible defaults.
- InvokeAI Canvas-first creative studio for Stable Diffusion and FLUX.
- ControlNet Steers diffusion with poses, edges and depth maps.
- Krita AI Diffusion Generative painting inside Krita, powered by ComfyUI.
- Real-ESRGAN Practical image restoration and upscaling.
- Upscayl Desktop app for AI image upscaling on Linux, macOS and Windows.
Game Development
12 projects
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Hunyuan3D
Tencent's open 3D generation models with textures.
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TRELLIS
Microsoft's image-to-3D model for game-ready assets.
- TripoSR Fast single-image 3D reconstruction from Tripo and Stability.
- Dream Textures Stable Diffusion textures generated inside Blender.
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ArmorLab
AI-assisted PBR texture authoring.
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FreeMoCap
Free full-body markerless motion capture.
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Animated Drawings
Meta's tool that animates hand-drawn characters.
- Unity ML-Agents Train game characters with reinforcement learning in Unity.
- Godot RL Agents Deep reinforcement learning for Godot games.
- AI Town Starter kit for a virtual town of LLM-driven characters.
- Generative Agents Stanford's simulation of believable NPC behaviour.
- Voyager LLM agent that learns to play Minecraft on its own.
Web Development
18 projects
- Aider Terminal pair programmer that edits your git repo.
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Cline
Autonomous coding agent for VS Code.
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Continue
AI assistant for VS Code and JetBrains.
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Roo Code
A team of VS Code agents that read, write and run code.
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Kilo Code
VS Code agent with pay-as-you-go model access.
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OpenCode
Coding agent for the terminal, IDE or desktop.
- Goose Block's on-machine agent that automates engineering tasks.
- OpenHands Agents that write code, run commands and browse like a developer.
- Gemini CLI Google's Apache-licensed coding agent for the terminal.
- Codex CLI OpenAI's lightweight coding agent for the terminal.
- Pi Coding Agent Terminal-first coding agent with 15+ model providers.
- bolt.diy Open version of Bolt.new that works with any LLM.
- screenshot-to-code Turns screenshots and mockups into HTML, React or Vue.
- Browser Use Lets AI agents drive a real web browser.
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Stagehand
Natural-language browser automation built on Playwright.
- Playwright MCP MCP server that gives agents a Playwright browser.
- Page Agent One script tag turns a web page into an AI agent.
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MCP Inspector
Official debugger for MCP servers and tool schemas.
Audio & Music
14 projects
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Whisper
OpenAI's speech recognition in 99 languages.
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MusicGen
Meta's music generation model, part of AudioCraft.
- Stable Audio Open Stability's open model for samples and sound effects.
- ACE-Step Fast foundation model for full-song music generation.
- YuE Lyrics-to-song generation with vocals and accompaniment.
-
Bark
Text-to-audio with voices and sound effects.
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Coqui TTS
Text-to-speech and voice cloning toolkit.
- Kokoro Tiny 82M-parameter TTS model with natural voices.
- F5-TTS Zero-shot voice cloning from a few seconds of audio.
- Chatterbox Resemble AI's MIT-licensed TTS with emotion control.
- GPT-SoVITS Few-shot voice cloning and text-to-speech.
- RVC Retrieval-based voice conversion for singing and speech.
- Demucs Splits songs into vocals, drums, bass and other stems.
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VoxCPM
Unified text-to-speech and speech recognition.
Productivity & Research
14 projects
- Dify Platform for building LLM apps, agents and RAG pipelines.
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n8n
Fair-code, self-hostable workflow automation with AI nodes.
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Activepieces
Self-hostable automation with MCP support.
- Langflow Visual builder for agents and RAG flows.
- Flowise Drag-and-drop builder for LLM agents and chatflows.
- AnythingLLM Private, all-in-one chat over your documents.
- Khoj Self-hostable AI second brain for your notes and the web.
- Open Notebook Privacy-first alternative to Google NotebookLM.
- GPT Researcher Agent that researches the web and writes cited reports.
- Open Deep Research LangChain's configurable deep research agent.
- Perplexica Self-hosted AI answer engine with cited sources.
- PaperQA Answers questions from scientific papers with citations.
- Docling Converts PDFs and Office files into LLM-ready data.
- Marker Converts PDFs to Markdown and JSON quickly and accurately.
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