47,133 repositories indexed
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Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.
A YouTube video player as a Google Chrome extension
Popline is an HTML5 Rich-Text-Editor Toolbar
Open-source design-method engine for Claude Code, Codex & Cursor. One agent skill with 22 internal workflows for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.
Visualization framework for autonomy and robotics data encoded in XVIZ
Offen Fair Web Analytics
Partial lenses is a comprehensive, high-performance optics library for JavaScript
Digital Forensics Investigation Platform
A helpful Chrome extension for WebGL development
A Unicode-aware string reverser written in JavaScript.
📕 Barebones boilerplate with Parcel 2, options handler and auto-publishing
An extensible, personal API with custom integrations
Accessibility-first browser & computer use for AI agents — one MCP server for every harness (Codex, Claude Code, OpenCode, Antigravity). Instruments the DOM/accessibility tree via CDP instead of screenshot loops: diffed snapshots, stable element refs, trusted input, typed errors. Zero dependencies
The JavaScript library for ExtensionPay.com — payments for your browser extensions, no server needed.
Summarize web pages using OpenAI ChatGPT
convert osm to geojson
Measure the difference between two strings with the fastest JS implementation of the Levenshtein distance algorithm
Passive API key and secret discovery browser extension for Chrome and Firefox. 80+ detection patterns, zero config.
pi extension: /purge swaps pi's built-in assistant persona for your own prompt file
Ramda Adjunct is the most popular and most comprehensive set of functional utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.
Extensible Node.js library for the Amazon Web Services API
The OpenStreetMap editor driven by open data, AI, and supercharged features
Google Chrome DevTools extension to live edit WebGL GLSL shaders
A standalone embedding of the FOSS drawio / mxgraph package into jupyterlab