Tail GitHub Repositories (2026) · Open Source Tools

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

An agent-first linter for Tailwind design systems. Write design system rules that agents can verify.

An open source, self-hosted implementation of the Tailscale control server

Memory and context engine + app that is extremely fast, scalable, and can be run fully locally. The Memory API for the AI era.

Enables organizations to create and deploy customizable AI agents with support for multiple LLM providers, real-time chat, voice, document training, analytics, user management, SSO authentication, and embeddable widgets. Built with React 19, Redux Toolkit, Radix UI, and Tailwind CSS.

A pixel-perfect dev portfolio and shadcn registry.

A powerful open-source UI framework for Laravel • Build and ship apps & admin panels fast with Livewire

A utility-first CSS framework for rapid UI development.

Cut your AI coding agent's token bill on three axes: terse prose, YAGNI-first code, and tool-output compression. Claude Code, Pi, Cursor, Codex, Gemini + 4 more. Zero deps, published benchmarks including the runs it loses.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

🚀 A real-time monitoring dashboard for Claude Code & Codex, built with SQLite3, Node.js, Express, React, Vite, TailwindCSS, & WebSockets. It tracks sessions, agent activity, tool usage, and subagent orchestration, providing live analytics, a Kanban status board, status notifications, a cute buddy, & an interactive web UI/MacOS/Windows native app.

cn is a new engine for Tailwind class merging and conflict resolution. It replaces tailwind-merge and clsx. Same APIs. Full parity. And it is 30× faster.

Open source DocuSign alternative. Create, fill, and sign digital documents ✍️

Turn an old Android phone into a home server: SSH, web hosting, Jellyfin with hardware transcoding, Immich, qBittorrent, Home Assistant and a web dashboard. No root.

Rallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier.

Open source Canva with CLI/GUI, AI Agent, MCP for App Store and Play Store screenshots. Free alternative to AppScreens, AppLaunchpad and Previewed

Business intelligence as code: build fast, interactive data visualizations in SQL and markdown

The Intuitive Vue UI Library powered by Reka UI & Tailwind CSS.

Free and open source anime watcher for Android