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A little curiosity. A world of open source.
THE FIRST COLLECTIONMattermost is an open core, self-hosted collaboration platform offering team chat, workflow automation, voice calling, screen sharing and AI integration. Written in Go and React, it runs as a single Linux binary backed by PostgreSQL, with monthly MIT-licensed releases and native mobile and desktop clients.
EnigmaCMS-FrontEnd is the front-end repository for Enigma, described in its README as the official website of a web and coding club. Documentation is minimal: a single descriptive line plus repeated automated security-scan comments, with no setup, stack, or usage guidance.
Helsinki Design System (HDS) is an open-source design system from the City of Helsinki, offering accessible React components, CSS styles and design tokens, alongside documentation and design resources.
Bun is an all-in-one toolkit for JavaScript and TypeScript apps, featuring a fast runtime, bundler, test runner, and package manager in a single executable.
TastyTunes is a free desktop controller for Cambridge Audio StreamMagic network streamers: local library browsing, synced lyrics, internet radio, presets and queue editing, plus an optional MCP server that lets local AI agents view and control playback.
A web-based media server control layer for CasparCG, providing a show-based workflow with canvas mapping, frame-accurate cues, and a media library.
Payload is an open-source, Next.js-native headless CMS and fullstack app framework. It installs into your existing /app folder and provides a TypeScript backend, admin panel, auth, versions and access control out of the box.
Appwrite is an open-source, all-in-one development platform that provides backend infrastructure and web hosting for web, mobile, and AI applications.
Outline is a fast, real‑time collaborative knowledge base for teams. Built with React and Node.js, it supports markdown, offers hosted and self‑hosted deployments via Docker, and includes extensive documentation, translation, and contribution guidelines.
AetherGrid is a distributed AI workload orchestrator built with strict Domain-Driven Design, featuring lease-based execution ownership, event-driven reconciliation, API key auth, and a React dashboard.
Wasp is a batteries-included full-stack web framework for React, Node.js and Prisma. A declarative spec file describes the app's high-level structure, and the compiler generates front-end, back-end and deployment code, with built-in auth, RPC, jobs, email and type safety.
Wails is a framework for building desktop applications with Go and web technologies, bundling Go backend code and an HTML/JS/CSS frontend into a single binary using native rendering engines instead of an embedded browser.
Magic UI is an open-source UI library providing animated components and effects designed for design engineers to copy and paste into their applications.
PrimeReact is a React UI component library now in maintenance mode: the repository receives security fixes only, active development has moved to PrimeUI, and all previously published MIT releases remain MIT permanently.
Frontend for Tuleva's Estonian pension onboarding web client, built with React and TypeScript, featuring migration from Redux to React Query and modern testing practices.
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.
Preact is a lightweight JavaScript library for building user interfaces, offering a React-compatible API with components and a virtual DOM in a very small bundle.
Open-source AI-native call center: voice AI answers first over OpenAI Realtime or Qwen, hands off to human agents on FreeSWITCH queues with a browser softphone. One Go binary with REST API, SSE, embedded React UI, and PostgreSQL.
Remotion is a framework for creating videos programmatically using React. It supports agentic, interactive, and code-based workflows, batch rendering, and building video apps. Includes Player, templates, and extensive documentation.
Antd Admin is a production-ready React admin template using Ant Design 6, TanStack Router/Query, Zustand, and Zod. Features JWT auth, backend-driven permissions, URL-synced tables, dark mode, mock-first development, optional i18n, and Playwright E2E tests. Includes a scaffolding CLI.
