Discover open-source AI tools.

Ship AI Agents to Google Cloud in minutes, not months. Production-ready templates with built-in CI/CD, evaluation, and observability.

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

🐼 Universal, Type-Safe, CSS-in-JS Framework for Design Systems ⚡️

Skeleton is an adaptive design system powered by Tailwind CSS.

Low-level CSS Toolkit – the original Functional/Utility/Atomic CSS library

:lollipop: Frontend for Home Assistant

Open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 15+ more databases like DuckDB, ClickHouse, Redis and Firestore. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.

React & React Native Components & Patterns (copy-paste components & patterns crafted with Tailwind CSS (NativeWind))

Build your design system in React, Solid, Vue, Svelte or Vanilla. Powered by finite state machines

A javascript scrollbar plugin that hides the native scrollbars, provides custom styleable overlay scrollbars, and preserves the native functionality and feel.

A small framework to split app into small parts

🔬 A curated collection of 23,000+ agent skills for empirical research across 8 social science disciplines. | 精选 23,000+ AI Agent 技能库，覆盖8大社会科学学科的实证研究。CoPaper.AI 20分钟完成一篇可复现的规范实证论文，并支持用户上传 Skills。-- Maintained by CoPaper.AI from Stanford REAP.

Agenta is a workspace where you and your team build agents and automations.

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

An agent skill for building premium, immersive, scroll-driven websites. Works with Codex, Claude Code, and other coding agents. Also available as a Claude Code plugin.

Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for Claude Code/Cursor/Windsurf, multi-platform emitters (iOS SwiftUI, Android Compose, Flutter, WordPress), Tailwind v4, Figma variables, shadcn/ui, CSS health audit, WCAG remediation, Chrome extension. MIT, Playwright, Node 20+.

程序员鱼皮原创项目，免费的闯关交互式 SQL 自学教程网站，从零基础到进阶，带你掌握常用 SQL 语法（MySQL、SQLite、PostgreSQL）、快速学习 SQL 和数据库。支持在线SQL编辑器、实时查询结果、语法高亮、SQL运行广场等功能。纯前端实现，简单易学~

The missing DevTools for Claude Code — inspect session logs, tool calls, token usage, subagents, and context window in a visual UI. Free, open source.

Free Open Source High Quality Dashboard based on Bootstrap 4 & React 16: https://airframe-react-lime.vercel.app

Lightweight, fast, stable, programmable component-based rule engine — where AI Agents orchestrate just like ordinary components. Uniquely designed DSL: component reuse, sync/async & dynamic orchestration, multi-language scripting, nested rules, hot deployment and smooth refresh. If you can orchestrate LiteFlow, you can orchestrate AI.

Just a little module for plugins.

Token conscious database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.

Deploy Your Frontend in a Single Command. Claude Code Skills supported.

Vuestic UI is an open-source Vue 3 component library designed for rapid development, easy maintenance, and high accessibility. Maintained by Epicmax (@epicmaxco).