Transformers.js

Vercel AI SDK

vercel/ai

TrendingPopular

TypeScript toolkit for LLM apps with provider-agnostic streaming, tool calls and React/Vue/Svelte chat hooks.

CopilotKit

CopilotKit/CopilotKit

Trending

React framework for in-app AI copilots, generative UI and agent front-ends (AG-UI protocol).

assistant-ui

assistant-ui/assistant-ui

Rising

Composable React primitives for production-grade AI chat interfaces, inspired by Radix.

AI Elements

vercel/ai-elements

New

shadcn/ui-based component registry for AI apps: conversations, messages, reasoning, tool calls.

Streamdown

vercel/streamdown

New

Drop-in react-markdown replacement built for rendering streaming, incomplete AI markdown safely.

TanStack AI

TanStack/ai

Trending (detected automatically)New

Type-safe, provider-agnostic AI SDK with framework adapters and isomorphic tools, from TanStack.

WebLLM

mlc-ai/web-llm

Trending (detected automatically)

High-performance in-browser LLM inference engine on WebGPU with an OpenAI-compatible API.

Transformers

huggingface/transformers

Popular

Hugging Face's reference library for defining, loading and fine-tuning pretrained text, vision and audio models.

Hugging Face Hub

huggingface/huggingface_hub

Popular

The main registry for open models, datasets and Spaces, plus the Python client for uploading and downloading.