Chatbot UI
Open SourceOpen-source AI chat interface by Mckay Wrigley — multi-model chat (OpenAI, Anthropic, local models via Ollama), folders and prompts, file attachments, and Supabase-backed persistence. One of the most-forked AI UI codebases on GitHub.
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Vercel's official open-source AI chatbot template — Next.js App Router with the AI SDK, streaming chat UI, model-provider switching (OpenAI, Anthropic, xAI and more), auth, and chat history persistence.
Open-source AI answer engine with a generative UI — a Perplexity-style search experience built on Next.js and the Vercel AI SDK, with pluggable search providers (Tavily, SearXNG, Exa), model switching, and chat history.
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Open-source TypeScript/React library and starter for AI chat interfaces — composable primitives in the shadcn style for messages, threads, streaming, tool calls and generative UI, with AI SDK and LangGraph integrations.
Official LangChain.js starter for Next.js — working examples of chat, structured output, agents, and retrieval-augmented generation with streaming, ready to deploy on Vercel. The canonical way to start a LangChain web app. Open-source.
Next.js AI boilerplate shipping multiple ready-made AI demo apps (chat, PDF, vision, audio, image generation) on one codebase — auth, payments, analytics and prompts included, aimed at launching niche AI wrappers fast. Paid, one-time purchase.