> /v1/category/ai-and-ml
Best open source AI[211]
The best open source AI and machine learning projects — from LLM serving and inference frameworks to vector databases, RAG stacks, and AI agent runtimes. Self-host instead of paying per-token.
211 projects · 4,334,257 combined GitHub stars · 19 languages · sorted by popularity
OpenClaw
Personal AI assistant that clears inboxes, sends emails, manages calendars, and checks in for flights. Works through WhatsApp, Telegram, and other chat apps.
★ STARS
369.7k
⑂ FORKS
76.3k
AutoGPT
AutoGPT is the vision of accessible AI for everyone
★ STARS
184.1k
⑂ FORKS
44.5k
Ollama
Get up and running with large language models locally
★ STARS
171.0k
⑂ FORKS
16.0k
Stable Diffusion WebUI
Stable Diffusion web UI
★ STARS
162.8k
⑂ FORKS
26.2k
Hugging Face Transformers
State-of-the-art Machine Learning for PyTorch, TensorFlow, and JAX
★ STARS
160.4k
⑂ FORKS
26.5k
LangChain
Build context-aware reasoning applications
★ STARS
136.1k
⑂ FORKS
14.8k
Open WebUI
Extensible, self-hosted AI interface for workflow
★ STARS
136.1k
⑂ FORKS
19.4k
Firecrawl
The web data API for AI
★ STARS
116.8k
⑂ FORKS
7.3k
NetData
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.
★ STARS
78.7k
⑂ FORKS
6.4k
OpenHands
Build and deploy autonomous coding agents at scale with model-agnostic, secure platform. Automate code reviews, testing, documentation, and complex refactoring tasks.
★ STARS
72.9k
⑂ FORKS
9.2k
OpenBB
Integrate, visualize, and analyze data in one place with OpenBB's AI-driven platform for financial research and analytics.
★ STARS
67.2k
⑂ FORKS
6.7k
Unsloth AI
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
★ STARS
63.8k
⑂ FORKS
5.6k
Open Interpreter
A natural language interface for computers
★ STARS
63.4k
⑂ FORKS
4.8k
Cline
Open-source AI coding agent with frontier models
★ STARS
61.5k
⑂ FORKS
6.4k
MinIO
Open source S3-compatible object storage optimized for cloud-native and AI applications, delivering unmatched performance and scalability
★ STARS
60.9k
⑂ FORKS
7.5k
AnythingLLM
Building the definitive all-in-one on-device AI productivity tool
★ STARS
59.7k
⑂ FORKS
6.5k
PrivateGPT
Interact with your documents using LLMs, privately
★ STARS
57.2k
⑂ FORKS
7.4k
Mem0
The Memory layer for your AI apps
★ STARS
55.1k
⑂ FORKS
6.2k
Maybe
AI-powered personal finance tool for budgeting, investing, and achieving financial goals with personalized recommendations
★ STARS
54.1k
⑂ FORKS
5.6k
Flowise
Drag & drop UI to build your customized LLM flow
★ STARS
52.6k
⑂ FORKS
24.3k
LlamaIndex
LlamaIndex is a data framework for LLM-based applications
★ STARS
49.2k
⑂ FORKS
5.2k
LiteLLM
Call every LLM API like it's OpenAI [100+ LLMs]
★ STARS
46.2k
⑂ FORKS
7.9k
LocalAI
Free, open source OpenAI alternative
★ STARS
46.1k
⑂ FORKS
1.8k
cherry-studio
Powerful AI assistant supporting iOS, macOS, and Windows. Switch between multiple LLM models seamlessly with local data storage and personalized knowledge base.
★ STARS
45.3k
⑂ FORKS
4.3k
Aider
A terminal-based coding assistant that helps you write, modify and understand code through natural language conversations with AI models
★ STARS
44.5k
⑂ FORKS
4.4k
Milvus
Open-source vector database optimized for similarity search, scaling to billions of vectors with minimal performance loss
★ STARS
44.2k
⑂ FORKS
4.0k
SiYuan
SiYuan is a personal knowledge management system that prioritizes privacy, supports Markdown, and offers block-level referencing and bidirectional linking.
★ STARS
43.7k
⑂ FORKS
2.8k
Jan
A powerful, open-source AI chat interface that runs locally, offering privacy, customization, and seamless integration with your workflow.
★ STARS
42.4k
⑂ FORKS
2.8k
Agno
Open-source platform that enables developers to create, deploy and monitor AI agents with built-in memory, knowledge integration, and external tool connectivity.
★ STARS
40.0k
⑂ FORKS
5.4k
MindsDB
Connect, Unify, Respond to any data, anywhere with human-level…
★ STARS
39.1k
⑂ FORKS
6.2k
// FREQUENTLY ASKED
What are the best open source ai projects?
The most popular open source ai projects by GitHub stars are OpenClaw, AutoGPT, Ollama, Stable Diffusion WebUI, Hugging Face Transformers. 211 curated open source ai projects are indexed on Open Source Startups.
How many open source ai projects are there?
211 open source ai projects are currently curated and tracked.
What programming languages are most common for ai?
Open source ai projects most commonly use JavaScript, Python, TypeScript, Go, Shell, Rust.
What is the best open source AI model?
Llama 3, Mistral, Mixtral, Qwen, and DeepSeek are the leading open-weight LLMs. The projects below cover model serving (vLLM, Ollama, LM Studio), agent frameworks (LangChain, AutoGen, CrewAI), and vector databases for RAG.
What's the best self-hosted alternative to OpenAI / ChatGPT?
Ollama plus Open WebUI gives you a ChatGPT-style interface on your own hardware. vLLM and Text Generation Inference are the production serving stacks for larger deployments.
What is the best open source AIOps tool?
For AIOps (AI for IT operations) the leading open source projects are SigNoz, OpenObserve, Robusta, and the OpenTelemetry-based observability stacks. Pair them with anomaly-detection libraries like Prophet or PyOD for full AIOps pipelines.