Open source. Open possibilities.

2024 Programming Challenges Roadmap: step-by-step exercises, solutions, videos, and rankings. Use any language and contribute your solutions.

Monaco Editor is the browser-based code editor extracted from VS Code, distributed as an npm library with ESM and AMD builds. It offers models, URIs, providers for smart features, localization and an interactive playground for integration.

vos is an open programmatic video engine that treats video as a deterministic function of time, allowing for resolution-independent rendering and data-driven editing.

A collection of TypeScript helper functions designed for integrating nRF Cloud APIs within AWS Lambda functions.

Unofficial CLI and MCP server for UPC's Blackboard Learn: query courses, assignments, grades, announcements, and materials from the terminal or AI assistants like Claude, Cursor, or Copilot, without university OAuth keys.

JSON Hero is an open-source web-based JSON explorer that lets you browse, search, and navigate JSON files through multiple view modes with content previews and related value scanning.

Idiomatic Angular wrapper for Takt privacy‑friendly analytics. Provides a bootstrap provider, injectable service, click‑tracking directive, badge and embed components, a custom element and a stats client. SSR‑safe, configurable and works with Angular 17+.

Hyundai E-Commerce is an enterprise B2B/B2C platform for industrial power equipment, combining a NestJS REST API, Next.js storefront and admin portal, quotation negotiation workflows, warehouse stock tracking, PayOS payments, and OpenAPI-driven type synchronization.

Elysia is an ergonomic TypeScript web framework powered by Bun, focusing on end-to-end type safety and developer experience.

Recharts is an open-source chart library for React built on D3. It offers declarative, composable chart components rendered as native SVG with minimal dependencies, installable via npm, Deno or a UMD script tag, and documented with a storybook.

JavaScript SDK for Aptabase, an open-source, privacy-first analytics platform. Provides packages for web apps, browser extensions, React/Remix/Next.js, and Angular frameworks.

React Suite provides React UI components for building web applications. Supports major browsers and server-side rendering with Next.js. Includes installation via package managers and framework-specific guides.

An MIT-licensed family of independent TypeScript packages that convert losslessly between OOXML, OpenDocument, Markdown, EPUB, PDF, RTF and legacy formats through one shared Zod schema, with a CLI, MCP server and web UI built on top.

Divebell is an extensible web development and debugging toolkit for coding agents. It connects page context, browser capabilities, and existing development tools, enabling agents to reproduce, diagnose, and verify web application issues directly in real scenarios via a CLI and extensions.

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.

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.

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.