Johannes Fischer

chiwisdp.github.io. TypeScript

lazygit. simple terminal UI for git commands

icons. beautifully crafted animated icons

fzf. :cherry_blossom: A command-line fuzzy finder

motion. A modern animation library for React and JavaScript

finicky. A macOS app for customizing which browser to start

javascript-interview-questions. List of 1000 JavaScript Interview Questions

caveman. 🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

Maccy. Lightweight clipboard manager for macOS

mempalace. The best-benchmarked open-source AI memory system. And it's free.

immich-go. An alternative to the immich-CLI command that doesn't depend on nodejs installation. It tries its best for importing google photos takeout archives.

Kobo-Hacks-Comp. A compilation of hacks and mods for Kobo e-readers

NickelHardcover. Hardcover.app integration for Kobo eReaders

crosspoint-reader. Firmware for the Xteink X3 and X4 e-readers

DeDRM_tools. DeDRM tools for ebooks

NerdMiner_v2. Improved version of first ESP32 NerdMiner

electrum. Electrum Bitcoin Wallet

n8n. Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

InkyPi. E-Ink Display with a Raspberry Pi and a Web Interface to customize and update the display with various plugins

node-modules-inspector. Interactive UI for local node modules inspection

oxc. ⚓ A collection of high-performance JavaScript tools.

parse-git-diff. parse git diff

esp32-weather-epd. A low-power E-Paper weather display powered by an ESP32 microcontroller. Utilizes the OpenWeatherMap API.

fnm. 🚀 Fast and simple Node.js version manager, built in Rust

zoxide. A smarter cd command. Supports all major shells.

eslint-plugin-perfectionist. ☂️ ESLint plugin for sorting various data such as objects, imports, types, enums, JSX props, etc.

changesets-gitlab. GitLab CI cli for changesets like its GitHub Action.

addon-visual-tests. Visual Tests addon for Storybook

tmux-git. Script for showing current Git branch in Tmux status bar

ballast. Keep your audio balance from drifting! OSX Status Bar App

javascript-code-challenges. A collection of JavaScript modern interview code challenges for beginners to experts

tpm. Tmux Plugin Manager

tmux-sensible. basic tmux settings everyone can agree on

eslint-plugin-jest-dom. eslint rules for use with jest-dom

awesome-vite. ⚡️ A curated list of awesome things related to Vite.js

mdcat. cat for markdown

svg-term-cli. Share terminal sessions via SVG and CSS

table. 🤖 Headless UI for building powerful tables & datagrids for TS/JS - React-Table, Vue-Table, Solid-Table, Svelte-Table

You-Dont-Need-Lodash-Underscore. List of JavaScript methods which you can use natively + ESLint Plugin

nx. The Monorepo Platform that amplifies both developers and AI agents. Nx optimizes your builds, scales your CI, and fixes failed PRs automatically. Ship in half the time.

builder-vite. A builder plugin to run and build Storybooks with Vite

why-did-you-render. why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)

changesets. 🦋 A tool to manage versioning and changelogs with a focus on monorepos

metaGo. MetaGo provides fast cursor movement/selection for keyboard focused users in vscode

rae-dux. Generated keyboard

hoppscotch. Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

mantine. A fully featured React components library

content. The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

starfish. Run your own FOSS Contributor Fund - use Starfish to find eligible voters

reach-ui. The Accessible Foundation for React Apps and Design Systems

alltheplaces. A set of spiders and scrapers to extract location information from places that post their location on the internet.

pear-desktop. Pear 🍐 is extension for music player

website. The Datenanfragen.de website including the request PDF generator and company information database

RPi-Jukebox-RFID. A Raspberry Pi jukebox, playing local music, podcasts, web radio and streams triggered by RFID cards, web app or home automation. All plug and play via USB. GPIO scripts available.

jest-axe. Custom Jest matcher for aXe for testing accessibility ♿️🃏

downshift. 🏎 A set of primitives to build simple, flexible, WAI-ARIA compliant React autocomplete, combobox or select dropdown components.

aria. Accessible Rich Internet Applications (WAI-ARIA)

tarmak-layouts. ⌨️ Tarmak transitional keyboard layout bundles for Mac OS X.

lit. Lit is a simple library for building fast, lightweight web components.

redom. Tiny (2 KB) turboboosted JavaScript library for creating user interfaces.

fetch-mock. Mock http requests made using fetch

user-event. 🐕 Simulate user events

linaria. Zero-runtime CSS in JS library

accessibility-insights-web. Accessibility Insights for Web

flexbugs. A community-curated list of flexbox issues and cross-browser workarounds for them.

jest-dom. :owl: Custom jest matchers to test the state of the DOM

react-testing-library. 🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

Lepton. 💻 Democratizing Snippet Management (macOS/Win/Linux)

mdx. Markdown for the component era

npm-check-updates. Find newer versions of package dependencies than what your package.json allows

etcher. Flash OS images to SD cards & USB drives, safely and easily.

hooks-workshop. The course material for our React Hooks workshop

javascript-testing-best-practices. 📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

json-server. Get a full fake REST API with zero coding in less than 30 seconds (seriously)

budo. :clapper: a dev server for rapid prototyping

diff-so-fancy. Make your diffs human readable for improved code quality and faster defect detection. :tada:

jirax. :sunglasses: :computer: Simple and flexible CLI Tool for your daily JIRA activity (supported on all OSes)

js-unit-testing-guide. 📙 A guide to unit testing in Javascript

nvm. Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

focus-trap-react. A React component that traps focus

rebass. :atom_symbol: React primitive UI components built with styled-system.

vim-easymotion. Vim motions on speed!

puppeteer. JavaScript API for Chrome and Firefox

33-js-concepts. 📜 33 JavaScript concepts every developer should know.

gnome-shell-extension-cast-to-tv. Cast files to Chromecast, web browser or media player app over local network.

tabwrangler. A browser extension that automatically closes your unused tabs so you can focus on the tabs that matter

blessed-contrib. Build terminal dashboards using ascii/ansi art and javascript

lint-staged. 🚫💩 — Run tasks like formatters and linters against staged git files

recharts. Redefined chart library built with React and D3

howjavascriptworks. Programs from the book _How JavaScript Works_

recompose. A React utility belt for function components and higher-order components.

avn. Automatic Version Switching for Node

bash2048. Bash implementation of 2048 game

awesome-awesomeness. A curated list of awesome awesomeness

nodebestpractices. ✅ The Node.js best practices list (July 2026)

Hack. A typeface designed for source code

clean-code-javascript. Clean Code concepts adapted for JavaScript

iTerm2-Color-Schemes. Over 450 terminal color schemes/themes for iTerm/iTerm2. Includes ports to Terminal, Konsole, PuTTY, Xresources, XRDB, Remmina, Termite, XFCE, Tilda, FreeBSD VT, Terminator, Kitty, MobaXterm, LXTerminal, Microsoft's Windows Terminal, Visual Studio, Alacritty, Ghostty, and many more

ohmyzsh. 🙃 A delightful community-driven (with 2,500+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python, etc), 140+ themes to spice up your morning, and an auto-update tool that makes it easy to keep up with the latest updates from the community.

Flycut. Clean and simple clipboard manager for developers

30-seconds-of-code. Coding articles to level up your development skills

mobx. Simple, scalable state management.

core. Online IDE powered by Visual Studio Code ⚡️

marko. A declarative, HTML-based language that makes building web apps fun

webthing-node. Node.js implementation of a Web Thing server

You-Dont-Know-JS. A book series (2 published editions) on the JS language.

mini-css-extract-plugin. Lightweight CSS extraction plugin

vscode-recipes. JavaScript

docker-phantomjs-alpine. Alpine based phantomjs docker image

stylefmt. stylefmt is a tool that automatically formats stylesheets.

npm-merge-driver. git merge driver for resolving conflicts in npm-related files

google-api-nodejs-client. Google's officially supported Node.js client library for accessing Google APIs. Support for authorization and authentication with OAuth 2.0, API Keys and JWT (Service Tokens) is included.

moment. Parse, validate, manipulate, and display dates in javascript.

d3. Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:

project-guidelines. A set of best practices for JavaScript projects

browserslist. 🦔 Share target browsers between different front-end tools, like Autoprefixer, Stylelint and babel-preset-env

proxyquire. 🔮 Proxies nodejs require in order to allow overriding dependencies during testing.

anime. JavaScript animation engine

gitflow. Git extensions to provide high-level repository operations for Vincent Driessen's branching model.

geckodriver. WebDriver Classic proxy for automating Firefox through Marionette

minideb. A small image based on Debian designed for use in containers

awesome-vscode. 🎨 A curated list of delightful VS Code packages and resources.

co. The ultimate generator based flow-control goodness for nodejs (supports thunks, promises, etc)

hackernews-react-graphql. Hacker News clone rewritten with universal JavaScript, using React and GraphQL.

ws. Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

gist. Potentially the best command line gister.

docker-cheat-sheet. Docker Cheat Sheet

GiphyAPI. Public facing API docs, notes and more

v4l2rtspserver. RTSP Server for V4L2 device capture supporting HEVC/H264/JPEG/VP8/VP9

video-live-streaming. Video live streaming with jpeg renders in html5 and nodejs

fontfaceobserver. Webfont loading. Simple, small, and efficient.

patternlab-node. The Node version of Pattern Lab

svg4everybody. Use external SVG spritemaps today

awesome-nodejs. :zap: Delightful Node.js packages and resources [BECAUSE OF TOO MUCH SPAM AND LOW-QUALITY SUBMISSIONS, SUBMISSIONS ARE PAUSED UNTIL JULY]

bash-git-prompt. An informative and fancy bash prompt for Git users

flutter. Flutter makes it easy and fast to build beautiful apps for mobile and beyond

postcss-cssnext. `postcss-cssnext` has been deprecated in favor of `postcss-preset-env`.

postcss. Transforming styles with JS plugins

PlayMusicCL. A command line client for Google Play Music

developer-roadmap. Interactive roadmaps, guides and other educational content to help developers grow in their careers.

distributions. NodeSource Node.js Binary Distributions

devdocs. API Documentation Browser

Source. [ON HOLD] Living Style Guides Engine and Maintenance Environment for Front-end Components. Core repository.

yo. CLI tool for running Yeoman generators

generator-react-webpack. Yeoman generator for ReactJS and Webpack

stylelint. A mighty CSS linter that helps you avoid errors and enforce conventions.

npm-g_nosudo. A shell script which will fix the problem where you want to stop using sudo for npm -g on Ubuntu.

hyper. A terminal built on web technologies

nightmare. A high-level browser automation library.

superagent. Ajax for Node.js and browsers (JS HTTP client). Maintained for @forwardemail, @ladjs, @spamscanner, @breejs, @cabinjs, and @lassjs.

flow. Adds static typing to JavaScript to improve developer productivity and code quality.

budgeting. Budgeting - React + Redux + Webpack (tree shaking) Sample App

styleguide-generators. An overview of automatic living styleguide generators

preact. ⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

electron-react-boilerplate. A Foundation for Scalable Cross-Platform Apps

async. Async utilities for node and the browser

jenkins-material-theme. Beautify your Jenkins with the Material Design theme!

electron. :electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

Gogh. Gogh is a collection of color schemes for various terminal emulators, including Gnome Terminal, Pantheon Terminal, Tilix, and XFCE4 Terminal also compatible with iTerm on macOS.

debugger. The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠

react-howto. Your guide to the (sometimes overwhelming!) React ecosystem.

awesome-hyper. 🖥 Delightful Hyper plugins, themes, and resources

gits. Get out of apocalypse

expect. Write better assertions

react-id-swiper. A library to use idangerous Swiper as a ReactJs component which allows Swiper's modules custom build

react-sidebar. A sidebar component for React

react-css-modules. Seamless mapping of class names to CSS modules inside of React components.

flexibility. A JavaScript polyfill for Flexbox

react-autosuggest. WAI-ARIA compliant React autosuggest component

es6features. Overview of ECMAScript 6 features

react-router. Declarative routing for React

casperjs. CasperJS is no longer actively maintained. Navigation scripting and testing utility for PhantomJS and SlimerJS

sound-redux. A Soundcloud client built with React / Redux

react-redux-blog. A sample React Redux CRUD app

axios. Promise based HTTP client for the browser and node.js

enzyme. JavaScript Testing utilities for React

webpack-react-redux-simple-stater. Webpack-react-redux-simple stater will help you build new React projects using modern technologies like React, Redux, Webpack, Es6..etc

node-cli-prompt. A tiny CLI prompter

systemjs. Dynamic ES module loader

node-style-guide. A guide for styling your node.js / JavaScript code. Fork & adjust to your taste.

amphtml. The AMP web component framework.

mechanize. Mechanize is a ruby library that makes automated web interaction easy.

webextensions-examples. Example Firefox add-ons created using the WebExtensions API

greasemonkey. Greasemonkey is a user script manager for Firefox.

todomvc. Helping you select a JavaScript framework - Todo apps for React.js, Angular, Vue and many more

angular-styleguide. Angular Style Guide: A starting point for Angular development teams to provide consistency through good practices.

dom4. Modern DOM functionalities for every browser

karma-json-fixtures-preprocessor. JavaScript

ng-annotate. Add, remove and rebuild AngularJS dependency injection annotations

angular-cache. angular-cache is a very useful replacement for the Angular 1 $cacheFactory.

shake.js. A custom 'shake' event plugin for mobile web browsers using device accelerometer.

sqlmap. Automatic SQL injection and database takeover tool

scm_breeze. Adds numbered shortcuts to the output git status, and much more

react-webpack-rails-tutorial. Legacy full-app React on Rails tutorial repo and live demo. See reactonrails.com/examples for current maintained demos.

Rainbow-Text. jQuery plugin to create rainbow or gradient text, optionally animated

SpinKit. A collection of loading indicators animated with CSS

css-loaders. A collection of loading spinners animated with CSS

hint.css. A CSS only tooltip library for your lovely websites.

velocity. Accelerated JavaScript animation.

angular-test-patterns. A High-Quality Guide for Testing Angular 1.x