Open-source AI tools
The open-source tools Raunak picked, then the 60 most-starred AI projects on GitHub, refreshed every week.
Hand-picked
Gemini CLIGoogle's open-source coding agent for the terminal, with a generous free tier.Open source
ClineAn open-source coding agent for VS Code that asks before every step it takes.Open source- AiderPair-programming in the terminal that commits each change to git as it goes.Open source
ZedA very fast open-source editor with AI and agents built in.Open source
Ronie: 3D AI Website AgentA free 3D AI agent for any website: grounded answers, an on-device neural voice, expressions, moves and games. An open template you can reuse.Open source
Browser UseOpen-source library that lets AI agents use websites like a person would.Open source
DifyOpen-source platform for building AI apps, RAG and agent workflows visually.Open source
FlowiseDrag-and-drop builder for LLM agents and chatbots, open source.Open source
CrewAIA Python framework for teams of agents that each take a role and work together.Open source
ComfyUINode-based workflows for open image and video models, run on your own GPU.Open source
YouTube Agentic AI StudioYAAS: a free agent pipeline that researches, scripts, narrates, animates and uploads faceless YouTube videos, with one command and no cost per video.Open source
KokoroA tiny open text-to-speech model that sounds natural and runs right in the browser.Open source
WhisperOpenAI's open speech recognition, transcribes and translates nearly any language.Open source
ResRescueA free desktop app that finds jobs and rewrites your résumé to get past applicant tracking systems, spots skill gaps and writes cover letters.Open source
Blender MCPLets an AI assistant drive Blender: build scenes, model and light by asking.Open source
OllamaRun open models on your own machine with one command.Open source
Open WebUIA self-hosted ChatGPT-style interface for local and API models.Open source
JanAn open-source assistant that runs fully offline on your computer.Open source
LangChainFrameworks for LLM apps and agents, LangGraph for the stateful ones.Open source
LlamaIndexConnects LLMs to your documents and data: parsing, indexing, RAG and agents.Open source
AI SDKVercel's TypeScript toolkit for streaming chat, tools and agents in web apps.Open source
Transformers.jsRuns Hugging Face models right in the browser, on the GPU with WebGPU.Open source
Model Context ProtocolThe open standard for plugging tools and data into any AI assistant.Open source
vLLMHigh-throughput serving for open models, on your own GPUs.Open source
UnslothFine-tune open models faster and on far less memory.Open source
StreamlitTurns a Python script into a shareable data or AI app.Open source
GradioQuick web demos for machine-learning models, in a few lines of Python.Open source
OpenHandsAn open-source platform for AI software agents that code like a developer.Open source
Roo CodeAn open-source team of AI coding agents inside VS Code.Open source
Kilo CodeAn open-source coding agent for VS Code and JetBrains, with hundreds of models.Open source
ContinueOpen-source assistants and checks for your editor and your pull requests.Open source
ActivepiecesOpen-source automation with AI agents, an alternative to Zapier you can host.Open source
LangflowA visual builder for agents and RAG apps, open source.Open source
UpscaylA free desktop app that upscales images with AI, on your own computer.Open source
WeaviateAn open-source vector database with hybrid search.Open source
QdrantA fast open-source vector database, written in Rust.Open source
ChromaThe simple open-source embedding database for AI apps.Open source
LangfuseOpen-source tracing, evaluation and prompt management for LLM apps.Open source
HeliconeOpen-source observability for LLM calls: costs, latency, logs.Open source
Arize PhoenixOpen-source tracing and evaluation for AI apps.Open source
MastraA TypeScript framework for agents, workflows and RAG.Open source
Pydantic AIA type-safe Python framework for building agents.Open source
OpenAI Agents SDKOpenAI's lightweight framework for multi-agent workflows.Open source
Agent Development KitGoogle's open-source framework for building and deploying agents.Open source
AutoGenMicrosoft's framework for agents that work together in conversation.Open source
HaystackAn open-source framework for RAG pipelines and agents in production.Open source
DSPyProgram language models instead of prompting them, and optimise automatically.Open source- llama.cppRuns language models efficiently on ordinary CPUs and GPUs, in C++.Open source
MLXApple's array framework for machine learning on Apple silicon.Open source
PyTorchThe deep-learning framework most AI research and models are built with.Open source
TensorFlowGoogle's end-to-end platform for machine learning.Open source
scikit-learnClassic machine learning in Python: classification, regression, clustering.Open source
MLflowTrack experiments, manage models and evaluate GenAI apps.Open source
KerasA friendly deep-learning API that runs on JAX, TensorFlow or PyTorch.Open source
Label StudioOpen-source data labelling for text, images, audio and video.Open source
GPT4AllRun language models privately on your own computer.Open source
AnythingLLMA private all-in-one AI app: chat with documents, agents, any model.Open source
LocalAIA drop-in, self-hosted replacement for the OpenAI API.Open source
Most-starred on GitHub
- 1
openclawThe AI that really does things. Any OS. Any Platform. The lobster way. 🦞★ 392,261
- 2
reaReverse engineer anything with agents, from app behavior down to native binaries.★ 301,970
- 3
superpowersAn agentic skills framework & software development methodology that works.★ 301,037
- 4
ECCThe agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code,…★ 282,075
- 5
hermes-agentThe agent that grows with you★ 254,592
- 6
deepseek-harnessDeepSeek Harness: Everything is a Plugin.★ 251,872
- 7
markitdownPython tool for converting files and office documents to Markdown.★ 190,733
- 8
AutoGPTAutoGPT 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…★ 187,620
- 9
transformers🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal…★ 167,789
- 10
ponytailMakes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.★ 165,720
- 11
stable-diffusion-webuiStable Diffusion web UI★ 165,071
- 12
cc-switchA cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official…★ 145,492
- 13
system-prompts-and-models-of-ai-toolsFULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app,…★ 144,063
- 14
spec-kit💫 Toolkit to help you get started with SDD or any other process!★ 141,629
- 15
graphifyTurn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code,…★ 127,546
- 16
uiComposable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make…★ 125,789
- 17
caveman🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.★ 113,197
- 18
supabaseThe Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.★ 111,681
- 19
TradingAgentsTradingAgents: Multi-Agents LLM Financial Trading Framework★ 111,656
- 20
paperclipThe open-source app everyone uses to manage agents at work★ 103,437
- 21
claude-memPersistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and…★ 101,332
- 22
Agent-ReachGive your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu, one CLI, zero…★ 98,580
- 23
taste-skillAgent skills that give coding agents taste: art direction, reference images and a browser check instead of generic AI pages★ 98,314
- 24
orcaOrca is the place for working with a fleet of agents (e.g. Grok Bot, Codex). Run any coding agent with your own subscription. Available on…★ 95,002
- 25
ragflowRAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create…★ 92,369
- 26
PaddleOCRTurn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between…★ 91,273
- 27
opencvOpen Source Computer Vision Library★ 91,204
- 28
NextChat✨ Zero-config AI chat assistant. No API key needed, sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top…★ 88,851
- 29
worldmonitorReal-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified…★ 88,603
- 30
Scrapling🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl! Don't be shy, join here:…★ 88,242
- 31
crawl4aiOpen-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI…★ 85,700
- 32
archifyTurn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.★ 84,728
- 33
deer-flowAn open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill,…★ 84,013
- 34
rtkCLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies★ 83,704
- 35
lobehub🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire…★ 83,289
- 36
netdataThe fastest path to AI-powered full stack observability, even for lean teams.★ 80,985
- 37
learn-claude-codeBash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1★ 78,741
- 38
OmniRouteNever stop coding. Free MIT AI gateway: one endpoint, 359 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek,…★ 77,587
- 39
tesseractTesseract Open Source OCR Engine (main repository)★ 77,040
- 40
ruflo🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI…★ 75,885
- 41
headroomCompress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for…★ 75,567
- 42
LlamaFactoryUnified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)★ 75,535
- 43
Front-End-Checklist🗂 The essential checklist for modern web development, for humans and AI agents★ 74,489
- 44
VoiceStudioVoiceStudio is the open-source, fully-local ElevenLabs alternative, voice cloning, voice design, video dubbing, dictation, transcription…★ 72,520
- 45
OpenSpecSpec-driven development (SDD) for AI coding assistants.★ 72,212
- 46
MetaGPT🌟 The Multi-Agent Framework: First AI Software Company, Towards Natural Language Programming★ 70,893
- 47
oh-my-openagentOmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering.★ 70,133
- 48
system prompts leaksDocumented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex.…★ 69,789
- 49
strixOpen-source AI penetration testing tool to find and fix your app’s vulnerabilities.★ 69,136
- 50
OpenMontageWorld's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge…★ 69,052
- 51
doclingGet your documents ready for gen AI★ 69,004
- 52
claude-code-best-practicefrom vibe coding to agentic engineering - practice makes claude perfect★ 67,664
- 53
mem0The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.★ 67,344
- 54
daily stock analysisLLM 驱动的多市场股票智能分析系统:多源行情、实时新闻、决策看板与自动推送,支持零成本定时运行。 LLM-powered multi-market stock analysis system with multi-source market data, real-time…★ 66,560
- 55
hyperframesWrite HTML. Render video. Built for agents.★ 65,726
- 56
context7Context7 Platform -- Up-to-date docs for AI agents★ 63,190
- 57
GPT-SoVITS1 min voice data can also be used to train a good TTS model! (few shot voice cloning)★ 63,001
- 58
ultralyticsUltralytics YOLO27, YOLO26, YOLO11, YOLOv8, object detection, instance segmentation, semantic segmentation, image classification, pose…★ 62,592
- 59
PakeTurn any website into a lightweight desktop app with one command, on macOS, Windows and Linux.★ 62,147
- 60
litellmThe fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails,…★ 61,439