Hugging Face is the world's largest AI open-source community and model hub — millions of models, datasets, and Spaces apps. The GitHub of machine learning.
Dify is the popular open-source LLM app platform — visually orchestrate RAG
Together AI runs 200+ open-source models at lower-than-official prices, with
OpenRouter routes a single API to hundreds of models — GPT, Claude, Gemini,
FastGPT is an open-source knowledge-base QA system with visual Flow orchestr
LangChain is the most popular LLM application framework — mature abstraction
LlamaIndex is the data framework for LLMs — hundreds of connectors turn priv
Replicate runs thousands of community models via one-line APIs with per-seco
Coze by ByteDance is a free no-code AI bot builder — orchestrate agents with
DeepToSeek
