AI & Chat UI in Frontend


1	Vercel AI SDKTrendingPopular TypeScript toolkit for LLM apps with provider-agnostic streaming, tool calls and React/Vue/Svelte chat hooks.	27.8k	45.4M	+75%	2d ago	88
2	CopilotKitTrending React framework for in-app AI copilots, generative UI and agent front-ends (AG-UI protocol).	38.5k	714k	+51%	5d ago	77
3	assistant-uiRising Composable React primitives for production-grade AI chat interfaces, inspired by Radix.	13k	3.2M	+51%	1w ago	78
4	AI ElementsNew shadcn/ui-based component registry for AI apps: conversations, messages, reasoning, tool calls.	2.5k	n/a	n/a	4w ago	62
5	StreamdownNew Drop-in react-markdown replacement built for rendering streaming, incomplete AI markdown safely.	5.7k	10.8M	+65%	1w ago	78
6	TanStack AITrending (detected automatically)New Type-safe, provider-agnostic AI SDK with framework adapters and isomorphic tools, from TanStack.	3.3k	2.3M	+447%	4d ago	72
7	Transformers.jsTrending (detected automatically) Run Hugging Face models (NLP, vision, audio) directly in the browser via ONNX Runtime and WebGPU.	16.4k	4.8M	+73%	1w ago	80
8	WebLLMTrending (detected automatically) High-performance in-browser LLM inference engine on WebGPU with an OpenAI-compatible API.	19.4k	201k	+98%	1w ago	71

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