Open source. Open possibilities.

Franken UI (franken-ui/ui) is described as an HTML-first UI component library built on UIkit 3, extended with LitElement and inspired by shadcn/ui. Its README now only announces a move to 0build, so documentation lives elsewhere.

Plausible Analytics is an open-source, privacy-first web analytics tool and cookie-free alternative to Google Analytics. It is available as managed cloud or self-hosted Community Edition, with a simple dashboard, lightweight tracking, goals, real-time insights, APIs, and GDPR/CCPA/PECR compliance.

Overflow is a cooperative credit ledger for open-source work: sponsors offer issues, contributors close them via GitHub, and the service records settled transfers with labels, comments, API tokens and MCP tools.

vue-pure-admin is an open-source, out-of-the-box admin system template based on Vue3, Vite, Element-Plus, TypeScript, Pinia, and Tailwindcss, offering mobile compatibility and Tauri/Electron versions.

Headless UI offers completely unstyled, fully accessible UI components for React and Vue, designed to integrate with Tailwind CSS. Packages include @headlessui/react, @headlessui/vue, and @headlessui/tailwindcss. Full documentation at headlessui.com.

Selasar is a self-hosted, open-source web analytics platform powered by ClickHouse, offering privacy-friendly tracking without cookies or consent banners.

Swetrix is a cookieless, GDPR-compliant web analytics platform presented as a privacy-first alternative to Google Analytics. It combines traffic statistics with error tracking, performance monitoring, funnels, custom events and session replays, and can be self-hosted via Docker or used as a cloud service.

oh-my-design installs design system references and skills into AI coding agents. One command adds 440+ company design references, 28 skills, and 20 specialist roles to Claude Code, Codex, Cursor, and OpenCode. Produces a portable DESIGN.md with philosophy, tokens, and component contracts.

A Django-based open-source website project for Christ College of Engineering (CCE), India, serving as an informational portal for the institute.

Cal.diy is the MIT-licensed community edition of Cal.com, a self-hosted scheduling platform with all enterprise features removed. It offers booking pages, calendar integrations and a setup wizard, and is intended for personal, non-production use.

Papermark is an open-source DocSend alternative for secure document sharing and data rooms, with built-in analytics, custom domains and branding. It is self-hostable and built with Next.js, TypeScript, Prisma and PostgreSQL.

Magic UI is an open-source UI library providing animated components and effects designed for design engineers to copy and paste into their applications.

A forensic UI cloning tool for Claude Code and Codex that converts live URLs into React and Tailwind implementations by extracting real CSS and motion parameters.

Tailwind CSS is an open-source utility-first CSS framework for rapidly building custom user interfaces. The repository points to tailwindcss.com for full documentation, GitHub Discussions for community help and ideas, and contributing docs for pull requests.

Tailgrids is an open-source React UI component library built with Tailwind CSS, offering 100+ production-ready copy-paste components plus UI blocks and templates, with TypeScript support, accessibility, dark mode and a CLI installer.

Utility OS is a Next.js academic workspace for university students with Google Drive-synced notes, hybrid RAG AI search with grounded citations, a study planner, GPA calculator, SRS flashcards, Pomodoro timer, and a PWA client.

AI-powered template that clones any website into a clean Next.js app via a single command. Supports Claude Code, Cursor, Codex, Gemini, and more.

A production-oriented Go + HTMX + templ micro-SaaS starter: Supabase auth and Postgres Row Level Security proven end-to-end, CI-enforced performance budgets and design tokens, plus a layered AI constitution and halt-on-violation gate for agent-assisted development.

A free, browser-based database entity relationship diagram (ERD) editor and SQL generator.

TW Elements is an MIT-licensed component library for Tailwind CSS, offering 500+ interactive UI components and 117+ design blocks with dark mode support, theming options, and quick installation for personal and commercial use.