Awesome AI Agent Stack

UI & Application Layer

Frontends, chat components, and app frameworks for putting agents in front of users.

Chat & agent UI components

• vercel/ai - Vercel AI SDK for streaming, tool-calling React/Next.js apps.
• CopilotKit/CopilotKit - Drop in-app copilots and agent UIs into React.
• assistant-ui/assistant-ui - Composable React components for chat interfaces.
• shadcn-ui/ui - Accessible React component standard behind most production AI chat frontends.
• vercel/ai-elements - AI chat component library on shadcn/ui for streaming interfaces.
• ag-ui-protocol/ag-ui - AG-UI protocol streaming agent state into any frontend.
• tambo-ai/tambo - Generative UI SDK for React: render components from LLM output.
• thesysdev/openui - Open standard and toolkit for LLM-generated UI components.
• CopilotKit/OpenGenerativeUI - Open-source framework for agents that generate interactive UI.
• TanStack/ai - Type-safe, provider-agnostic TypeScript SDK for streaming chat and tool calling.
• Simon-He95/markstream-vue - Streaming Markdown renderers for AI chat in Vue, React and other frameworks.
• nlkitai/nlux - JavaScript library for building conversational AI chat UIs.
• OvidijusParsiunas/deep-chat - Customizable embeddable AI chatbot web component.
• botfront/rasa-webchat - Feature-rich embeddable chat widget for Rasa assistants.
• ant-design/x - React toolkit for building AI chat and agent interfaces.

Python app frameworks

• Chainlit/chainlit - Build conversational AI UIs in minutes.
• streamlit/streamlit - Fastest way to put a Python demo in front of users.
• gradio-app/gradio - Web UIs for ML models with a few lines of Python.
• Textualize/textual - Build rich terminal UIs in Python.
• reflex-dev/reflex - Build full-stack web apps in pure Python.
• Avaiga/taipy - Python framework for AI dashboards and data apps.
• zauberzeug/nicegui - Create web UIs with Python, the nice way.
• mesop-dev/mesop - Rapidly build AI apps in Python.
• widgetti/solara - Pure-Python React-style framework for Jupyter and web apps.
• holoviz/panel - Data exploration and web app framework for Python.
• flet-dev/flet - Realtime web, mobile and desktop apps in Python only.
• plotly/dash - Data apps in Python with Plotly charts.

Starter templates

• vercel-labs/ai-sdk-starter-xai - Next.js + AI SDK chatbot starter template on xAI.
• Floe-Labs/floe-vercel-ai-starter - Vercel AI SDK starter with hard spend caps out of the box.
• cloudflare/agents-starter - Starter kit for building AI agents on Cloudflare Workers.
• Nutlope/twitterbio - Next.js + AI SDK starter generating bios with streaming UI.
• Azure-Samples/azure-search-openai-demo - RAG chat UI over your data with Azure OpenAI.
• aws-samples/bedrock-chat - Multi-model chat UI for Amazon Bedrock.
• upstash/rag-chat - RAG chatbot library and starter with a chat UI.
• Kcheesee/rag-chatbot-starter-kit - Config-driven RAG chatbot boilerplate for web and Slack.
• DayuanJiang/next-ai-draw-io - AI-assisted diagramming with draw.io in Next.js.

Web frameworks

• vercel/next.js - The React framework most production AI apps are built and deployed on.
• bigskysoftware/htmx - Dynamic HTML without writing JavaScript.
• withastro/astro - Content-focused web framework with zero-JS default.
• nuxt/nuxt - Intuitive Vue framework for full-stack apps.
• solidjs/solid - Fine-grained reactive JavaScript framework.
• remix-run/remix - Full-stack web framework focused on web fundamentals.
• sveltejs/svelte - Cybernetically enhanced web apps with tiny bundles.
• QwikDev/qwik - Instant-loading web apps with resumability.
• alpinejs/alpine - Minimal JS framework for HTML behavior.
• preactjs/preact - Fast 3kB React alternative.
• lit/lit - Simple library for building web components.
• angular/angular - Platform for building mobile and desktop web apps.
• react/react - The library for web and native user interfaces.

Backend frameworks

• fastapi/fastapi - The backend most Python agents are served from.
• django/django - Batteries-included Python web framework.
• pallets/flask - Lightweight Python WSGI web framework.
• sparckles/Robyn - Fast Python web framework with a Rust runtime.
• vitalik/django-ninja - Django REST APIs with type hints and OpenAPI.
• litestar-org/litestar - Performant Python ASGI framework.
• strawberry-graphql/strawberry - Code-first GraphQL schemas in Python.

Component libraries & styling

• xyflow/xyflow - Node-based canvas library powering agent workflow builders like Langflow.
• bradtraversy/design-resources-for-developers - Design and UI resources for developers.
• ant-design/ant-design - Enterprise-grade React UI component library.
• tailwindlabs/tailwindcss - Utility-first CSS framework.
• mui/material-ui - React components implementing Material Design.
• saadeghi/daisyui - Tailwind CSS component classes for faster UI.
• chakra-ui/chakra-ui - Simple, modular React component library.
• mantinedev/mantine - React components and hooks library.

Low-code & CMS

• Budibase/budibase - Low-code platform for business apps.
• appsmithorg/appsmith - Open-source Retool alternative for internal tools.
• ToolJet/ToolJet - Low-code framework for internal applications.
• refinedev/refine - React framework for data-driven admin panels.
• directus/directus - Open data platform wrapping any SQL database.
• strapi/strapi - Open-source headless CMS with REST and GraphQL.
• wagtail/wagtail - Django-based CMS for content-heavy sites.
• TryGhost/Ghost - Publishing platform for blogs and newsletters.
• payloadcms/payload - TypeScript headless CMS and app framework.