AI tools
Find AI sites and open-source projects by use case.
Popular tools1
Chat9
- ChatGPTOpenAI's assistant with web search, file analysis and image generation.
ClaudeAnthropic's assistant for long-form writing, code and document analysis.
- GeminiGoogle's assistant, connected to Gmail, Docs and other Google services.
- DeepSeekDeepSeek's assistant with a reasoning mode.
KimiMoonshot AI's assistant for long documents and web search.
Qwen ChatWeb chat for Alibaba's Qwen models.
豆包ByteDance's assistant on web, desktop and mobile.
智谱清言Zhipu's assistant built on the GLM models.
GrokxAI's assistant with real-time search across X.
AI search3
AI coding6
v0Vercel's tool for generating React apps from prompts.
BoltBuild, run and deploy full-stack apps from chat in the browser.
LovableBuild web apps from chat, with Supabase and GitHub integration.
ReplitOnline IDE with a built-in agent that builds and deploys apps.
Google AI StudioTry Gemini models, get an API key and prototype apps.
DevinCognition's autonomous coding agent that opens pull requests.
Models & APIs8
OpenRouterOne API for hundreds of models, with unified billing and some free models.
- Hugging FaceHub for open models, datasets and demos.
硅基流动Chinese API platform for open models like DeepSeek and Qwen.
GroqFast inference on Groq's own LPU chips.
Claude PlatformAnthropic's developer console for API keys, usage and prompt testing.
- OpenAI PlatformOpenAI's developer platform with API keys, docs and Playground.
ArenaFormerly LMArena: compare anonymous model answers side by side; votes rank the models.
Artificial AnalysisCompares models on benchmarks, speed and price.
Run locally6
- OL
Ollama183kDownload and run open models locally with one command. - GG
llama.cpp131kLLM inference in C/C++, runs on CPUs and consumer GPUs. - VL
vLLM94kHigh-throughput inference and serving engine for LLMs. - OP
Open WebUI154kSelf-hosted chat UI for Ollama and OpenAI-compatible APIs. LM StudioDesktop app for downloading and running local models.
- CH
Cherry Studio53kDesktop chat client for many model providers.
Agent frameworks9
- LA
Dify158kOpen-source LLM app platform with visual workflows and knowledge bases. - N8
n8n207kSelf-hostable workflow automation with built-in AI nodes. - LA
LangChain148kFramework for building LLM apps and agents. - LALangGraph43kBuild stateful, multi-step agents as graphs.
- RU
LlamaIndex52kFramework for connecting your data to LLMs, often used for RAG. - CR
CrewAI60kOrchestrates role-based agents that work as a team. - MI
AutoGen61kMicrosoft's framework for multi-agent conversations. - VE
AI SDK27kVercel's TypeScript toolkit for calling models and streaming output. - MO
MCP Servers91kOfficial MCP reference servers and a list of community servers.
Image, video & audio8
- MidjourneyText-to-image with an artistic style.
- CO
ComfyUI137kNode-based interface for image and video generation workflows. - AU
Stable Diffusion WebUI165kWeb UI for running Stable Diffusion locally. 即梦ByteDance's image and video generation platform.
可灵 AIKuaishou's video generation from text and images.
- RunwayAI video generation and editing.
IdeogramText-to-image that renders text in images accurately.
SunoGenerates full songs with vocals from a text prompt.
Learning7
Prompt Engineering GuideA thorough guide to prompt engineering.
- Hugging Face LearnFree Hugging Face courses on LLMs, agents, MCP and more.
DeepLearning.AIAndrew Ng's AI courses, including many free short courses.
- RA
LLMs-from-scratch106kBuild a GPT-like model step by step in PyTorch; code for the book. - KA
nanoGPT64kKarpathy's minimal GPT training code, good for learning how it works. - MIGenerative AI for Beginners121kMicrosoft's 21-lesson course on generative AI.
- DA
self-llm32kDatawhale's Chinese tutorials on deploying and fine-tuning open models.