Open source. Open possibilities.

Windmill is an open-source developer platform used to turn scripts into webhooks, workflows, and internal UIs, serving as an alternative to Retool and Temporal.

CodexShell is a desktop shell based on Tauri + React + TypeScript, providing a Codex-style four-column layout, draggable panels, theme and language switching, and other UI framework features. It is not tied to any specific business, allowing developers to integrate their own AI tool functionality.

Lichess is a free, open-source online chess platform offering real-time play, tournaments, analysis, training tools, and multilingual support. Built with Scala and TypeScript, it hosts billions of games and supports community contributions.

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.

UCloud SDK for Node.js: a client library for calling UCloud cloud APIs from Node.js. The README links Chinese-language guides on quickstart, configuration, error handling, middleware and generic calls, plus examples for batch-creating cloud hosts and building a two-tier load-balanced architecture.

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.

Swarm is a local-first control plane for AI-agent development that monitors every Claude Code, Codex, Gemini, Grok, Aider, and opencode session on your machine — tracking live tool calls, token spend, cost, tasks, worktrees, and resources — with rules enforcement, a coordination ledger, and a unified dashboard.

Prisma Next is a next-generation TypeScript ORM for Node.js, designed to be extensible, composable, and AI-agent friendly by default. Supports PostgreSQL (general availability), MongoDB (early access), and SQLite (proof of concept). Features a skills-based AI agent integration and an open SPI for custom extensions.

Gateship is a local-first delivery runtime for coding agents. It gives a task an isolated Git worktree, runs a local Claude Code or Codex session, verifies acceptance commands, adds an independent read-only review, and ships a squash-merged pull request. State lives in local SQLite, served by a Bun web UI on 127.0.0.1.

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.

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.

Official template and extension bank for the create-awesome-node-app CLI. It bundles ten starter projects (React Vite, Next.js, Next.js SaaS AI, NestJS, Remix, Astro, Hono, Turborepo, WebdriverIO, WebExtension) plus addons and layered CI workflows for validating template output.

Cookieless pageview analytics library that counts both human visitors and AI crawlers, storing results in your own database. Designed around strict privacy: no cookies, no fingerprints, no custom events, and daily-rotating pseudonymous visitor hashes.

Pure TypeScript media toolkit for reading, writing, and converting video/audio files (MP4, WebM, MP3, HLS) directly in browsers. Zero dependencies, tree-shakable, supports transmuxing, transcoding, trimming, and multiple codecs.

React Hook Form is a small, dependency-free React library for form state management and validation, working on web and React Native. It embraces native HTML validation and integrates with schema validators like Yup, Zod, AJV, Superstruct and Joi.

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

Hexo is a fast, simple and powerful blog framework powered by Node.js. It renders Markdown content into static files, offers one-command deployment to services like GitHub Pages, and is extended by a large ecosystem of themes and plugins.

A CLI tool that scans for node_modules directories across your system, displays their sizes, and lets you interactively delete them to free up disk space.

Slopcamera is a local visual studio for coding agents: a Bun CLI, TypeScript SDK and Agent Skill that let agents author scenes, combine generated and recorded media, and export images, diagrams, animation and video while keeping editable sources.

CompoMo (@ds-mo/ui) is a framework-agnostic Stencil.js web component library styled with TokoMo design tokens, shipping generated Angular, React and Vue adapters alongside an MCP metadata server.