Repository Index

A simulation data generator

Play with fluids in your browser (works even on mobile)

• fluid
• webgl
• simulation
• gpu

🐕 Bare minimum 500b fetch polyfill.

• fetch
• ajax
• xmlhttprequest
• polyfill

Framework-agnostic CSS-in-JS with support for server-side rendering, browser prefixing, and minimum CSS generation

• javascript
• css
• aphrodite
• css-in-js

:zap: Primus, the creator god of the transformers & an abstraction layer for real-time to prevent module lock-in.

• javascript
• real-time
• websocket
• framework

Sketch app plugin for generating dummy data such as avatars, names, photos, geo data etc

• dummy-data
• avatars
• javascript
• sketch-plugin

:musical_keyboard: Making life easy to create a MIDI-app on the web. Includes a library to program synesthesia into your app for memory recognition or for creating trippy effects. Convert soundfonts for Guitar, Bass, Drums, ect. into code that can be read by the browser. Supports multiple simultaneous instruments and perfect timing.

Create, preview (browser/iOS Simulator), and send custom email templates for Node.js. Made for @forwardemail, @ladjs, @cabinjs, @spamscanner, and @breejs.

• nodejs
• email
• templates
• template-engine

Bridge between QQ (SnowLuma OneBot v11) and DeepSeek Harness agents: social simulation, safe MCP tools, slang learning and more.

• ai-agent
• chatbot
• deepseek-harness
• dsh

A JavaScript library providing multiple simultaneous, stable, fault-tolerant and resumable/restartable file uploads via the HTML5 File API.

The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses

A Claude Code skill that turns any machine into a 3D simulator you can take apart

Strategies to Gekko trading bot with backtests results and some useful tools.

• gekko
• strategies
• gekko-strategies
• gekko-backtest

flybrainlabs authority nodes, complete simulation replay, archives, and service APIs.

flybrainlabs native and WebAssembly simulation engines and browser mining.

Blazing fast hexapod robot simulator for the web.

• robotics
• robot
• hexapod
• visualizers

Use Stimulus in your Ruby on Rails app

Describe any machine in one line. Claude builds a photoreal, physics based, interactive simulation of it in one HTML file, plus the film to post it. An open source Claude Code skill.

• agent-skills
• claude
• claude-code
• claude-skill

In-browser falling-sand simulation game with over 500 elements and thousands of reactions.

• browser-game
• cellular-automata
• cellular-automaton
• chemistry

The server and client used in transit map simulations like swisstrains.ch

Multiple, simultaneous, individually controllable spinners for concurrent tasks in Node.js CLI programs

The JavaScript Crypto Library provides web developers with an extensive and efficient set of cryptographic functions. The library aims to obtain maximum execution speed while preserving modularity and reusability. The library is released as open source under a BDS license.

:keyboard: Simulate a typewriter effect in vanilla JavaScript.

• javascript
• typewriter

A free cartoon browser game about how the internet really works: lay fiber and subsea cables, peer at IXPs, bill on the 95th percentile and survive backhoes, sharks and route leaks on your way to Tier 1.

• bgp
• browser-gam
• educational
• game