JSS is an authoring tool for CSS which uses JavaScript as a host language.
- js
- css
- css-in-js
- cssinjs
Repository Index
47,133 repositories indexed
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Parse and stringify URL query strings
- query-string
- urlsearchparams
- url
- stringify
A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in physics, Tiled map & glTF support and WebAudio.
- html5-game-engine
- javascript-game-engine
- 2d
- agent-skills
TranslatedAgent skills for AI short-drama production — character bibles, adaptation outlines, art bibles, screenplays, storyboards. Runs in Claude Code & codex.
Plupload is JavaScript API for building file uploaders. It supports multiple file selection, file filtering, chunked upload, client side image downsizing and when necessary can fallback to alternative runtimes, like Flash and Silverlight.
- plupload
- file-upload
- file-utility
Skill that audits and rewrites content to remove AI writing patterns. Use it with your favorite agents including Claude Code, OpenClaw, Codex, and Hermes.
- ai-writing
- claude
- claude-code
- llm
A proven SVG-based JavaScript diagramming library powering exceptional UIs
Framework-agnostic CSS-in-JS with support for server-side rendering, browser prefixing, and minimum CSS generation
- javascript
- css
- aphrodite
- css-in-js
A lightweight, easy to use Javascript <span> injector for radical Web Typography
🚀 Open-source, self-hosted P2P WebRTC video conferencing for fast, private real-time communication. Create browser-based meeting rooms with no downloads or time limits, plus screen sharing, chat, whiteboard, recording, and collaboration.
- webrtc
- video-call
- video-chat
- video-conferencing
Boilerplate (seed) project for creating web apps with React.js, GraphQL.js and Relay
🐦 Bringing animated parrots to terminals everywhere
- party
- parrot
- terminal
- curl
Anti-laziness skill for AI agents. Core: the Depth Tree method, which splits a task N layers deep and gives every leaf the full time budget of the whole task, so effort multiplies with depth. Grounded in 2025-2026 research on model laziness, underthinking and premature completion.
Authoring Books and Technical Documents with R Markdown
SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.
The ultimate JavaScript string library
- javascript-library
- string
- slugify
- sprintf
Detect copy-pasted and structurally similar code
- code-analysis
- duplication
- refactoring
- clean-code
TranslatedA multi-platform Hook + Skill Guard for AI coding agents in Codex/GPT workflows: stop unrequested hashes, checksums, and task-scope creep.
Cross-platform and self hosted, easy to use, intuitive mongodb management tool - Formerly Mongoclient
- mongodb
- cross-platform
- management
- database-management
OP Vault ChatGPT: Give ChatGPT long-term memory using the OP Stack (OpenAI + Pinecone Vector Database). Upload your own custom knowledge base files (PDF, txt, epub, etc) using a simple React frontend.
- chatgpt
- go
- golang
- knowledge-base
String manipulation helpers for javascript
- javascript
- string
- utility
Rack Middleware for handling Cross-Origin Resource Sharing (CORS), which makes cross-origin AJAX possible.
All your computers and your phone, working as one desk. Screens, apps, files, clipboard, calls, texts, notifications, mouse and keyboard, shared between Mac, Windows, Linux and Android. Free and open source. No account, no cloud, and now no shared network needed.
🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft Teams, powered by scalable SFU architecture with Mediasoup.
- collaboration
- file-sharing
- live-streaming
- mediasoup