Felix Gnass

A spinning activity indicator

Spin.js is a tiny JavaScript library that adds an animated loading spinner to any webpage using pure CSS, no images, no dependencies, sharp on all screen resolutions.

Zero-conf Node.js reloading

Server-side DOM implementation based on Mozilla's dom.js

Google Inbox packaged as Electron app

Lightweight JSON-RPC solution for TypeScript projects

Variant API for plain class names

Server-side DOM for express.js

Wrapper around fs.watch that falls back to fs.watchFile

Busy-indicator for the terminal

Google Calendar packaged as electron app

Instant HTTP server with live-reload

transparent live-reloading

node bindings for the v8 profiler

Node.js middleware to execute CGI scripts

JSHint TextMate Bundle

Use source-maps on the server to make browser stack traces more readable

Alternative decoder for form-urlencoded data

Connect middleware for server-sent-events with iframe fallback

Lightweight type guards and assertions

Node.js middleware to capture and modify response bodies

Hooks to use react-query with a typed API client

Lightweight Jade/HAML-like DOM builder for jQuery and Zepto.js

No description.

WebGL experiment that creates a glitter effect based on the device orientation.

No description.

Gmail packaged as Electron app

Unified diff parser for Node and the browser

Wrapper around npm that screams COOKIE!! every time you type nom instead

Tiny utility to de-duplicate lists

No description.

Google Maps primitives for React

$('form').isHappy() – Lightweight, extensible form validation plugin for jQuery/Zepto.js

lightweight middleware infrastructure

CommonJS implementation of the DOM intended to be platform independent and as minimal/light as possible while completely adhering to the w3c DOM specifications.

A browserify transform to expose server-side configuration options

Material Design Icons as JSON

Rework plugin to resolve custom CSS color palettes

Node middleware to forward requests to a built-in PHP server

No description.

Command line utility to start/stop a local server in order to execute end-to-end tests

Benchmark tool for Node.js DOM implementations

A jQuery plugin to dynamically create forms

JSHint is a community-driven tool to detect errors in JavaScript code and enforce your team's coding conventions.

Check if two values deeply match

rework plugin to add parent selector support

No description.

My personal website

zepto.js is a minimalist inlinable framework for mobile WebKit browsers, with a jQuery-like chaining syntax

Tiny utility to turn a list into an object

No description.

An abstract-level database backed by Cloudflare D1

A behavior for Internet Explorer allowing it to recognize and render various CSS3 box decoration properties

Forgiving HTML/XML/RSS Parser in JS for *both* Node and Browsers

Express middleware to render Server Side Includes

Thin wrapper around the official Selenium JavaScript bindings

A Document dummy that mocks just enough of the DOM API to render HTML.

selenium-webdriver plugin for the unexpected assertion libary

Iconify Widget for Decap CMS

Create Spotify playlists from ByteFM recommendations

A new CouchDB module following node.js idioms

Command line mjsunit runner which provides an easy way to hook into mjsunit and start running tests immediately.

Self-hosted JavaScript implementation of a WebIDL-compliant HTML5 DOM.

recursively watch directories for modifications

Esoteric Programming Language

collect stats for all files in a directory

No description.

Routing for Redux

Yeoman (n) 1. A noble servant, carrying out various duties for the sovereign. Associated with hard toil. 2. Your new favorite web application stack and development tool.

Node.js resolve algorithm with browser field support

No description.

React is a JavaScript library for building user interfaces. It's declarative, efficient, and extremely flexible. What's more, it works with the libraries and frameworks that you already know.

Personal landing page — gnass.buzz

CLI and MCP server for kicktipp.com — view leaderboards, schedules, league tables, and place bets from the terminal or through AI assistants like Claude.

The Single Sign-On Multi-Factor portal for web apps, now OpenID Certified™

A Git-based CMS for Static Site Generators

A fully open-source headless CMS that supports Markdown and Visual Editing

A sample Next.js app showing dynamic routing with modals as a route.

Custom field for Storyblok to place hotspots on an image

Swagger UI packaged as elecron app

No description.

No description.

A curated list of static web site generators.

No description.

No description.

🥢 A minimalist-friendly ~1.5KB routing for React and Preact. Nothing else but HOOKS.

a static site with React and Capri

A Fine-Grained Runtime for Performant DOM Rendering

Create and manage clusters for large amounts of markers

Build OpenAPI-compliant REST APIs using TypeScript and Node

Orca's best friend.

Express middleware to serve pages built from static views

MobX plugin for the unexpected.js assertion library

proxy as middleware

Play the Benny Hill theme while running another command

JSS plugin to resolve local classNames in selectors

Expose react internals for E2E testing

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

A networked drop-in replacement for filewatcher

Middleware to serve buffers, strings or files

simple synchronous recursive ls

nodeschool internet web page

esmangle is mangler / minifier for Mozilla Parser API AST

A responsive image polyfill for <picture>, srcset, sizes, and more

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

Tiny utility to filter lists by example

Tiny utility to extract a property from a list of objects

Browserify transform that converts AMD to CommonJS.

nodejs css parser

No description.

CSS compiler with source-map support

LDAP authentication strategy for Passport and Node.js

growl unobtrusive notification system for nodejs

No description.

rewrite of the CoffeeScript compiler with proper compiler design principles and a focus on robustness and extensibility