Matt Zeunert

FromJS. See where each character on the screen came from in code.

javascript-breakpoint-collection. Find what code is causing a browser behavior.

immutable-object-formatter-extension. Make ImmutableJS objects more readable when viewed in Chrome DevTools

CSS-Todo-App. Basic todo app functionality without using JavaScript

OctoTern. Jump to variable definition on Github

ElementHistory. See what code created or updated a DOM element

Hacker-News-For-X. News aggregators and communities similar to Hacker News

javascript-clock-speedup. Simulate a faster Date object for debugging purposes.

Minimal-React-Redux-Example. Compact example of setting up Redux.

Object-History-Debugger. See where an object's property values were assigned, plus a history of past values.

minmal-Backbone.localStorage-example. Adds notes to a collection and stores them in local storage using https://github.com/jeromegn/Backbone.localStorage.

react-with-context. Pass context into React components in your unit test.

JavaScript-Dynamic-Analysis. Dynamic Analysis Tools and Resources

babel-plugin-demo. JavaScript

super-simple-neural-network. JavaScript

stacktrace-js-example. An example showing how to resolve a production stack trace using source maps and StackTrace.JS

react-immutable-example. Demo of shouldComponentUpdate and Immutable.js with React.

babel-workshop. A workshop about Babel and ASTs

reagic. JavaScript

uk-employment-map. JavaScript

rexamples-static. HTML

grunt-svg-cleaner. JavaScript

o-fetch. JavaScript

lh-for-fromjs.

namespace-logger. Log addition or removal of fields to javascript namespaces - for example global variables in window.*

glasswing. Read source code annotated with runtime variable values.

vAnnotate. Visualize program state during execution.

awesome-websites. A curated list of awesome websites

dev-resources. A collaborative list of resources for developers

awesome-checker-services. ✅ List of links to the various checkers out there on the web for sites, domains, security etc.

awesome-wp-speed-up. Plugins and resources to speed up and optimize your WordPress site.

awesome-free-startup-resources. Inspired by /u/fluffhead1 on Reddit. Many thanks for the start of such an awesome list.

preact-netlify. JavaScript

auth-app.js. GitHub App authentication for JavaScript

puppeteer-issue-demo.

frontend-tools. :fire_engine: Useful tools to frontenders

tiny-helpers. A collection of useful online web development tools

freeStuffDev. list of free stuff for developer

awesome-no-login-web-apps. 🚀 Awesome (free) web apps that work without login

awesome-website-testing-tools. Resource of web-based testing and validation tools

neat-starter. HTML

Ultimate-Web-Development-Resources. A collection of web development resources

avif-in-css. PostCSS plugin to use AVIF in CSS background

useful-dev-tools. :star: A list with useful tools that help many Developers. Hacktoberfest :star:

nextjs111. JavaScript

clickhouse. NodeJS client for ClickHouse

Frontend-Tools-1. All Tools and Technologies Needed for Front-End Developers

the-book-of-secret-knowledge. A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

awesome-sre-tools. A curated list of Site Reliability and Production Engineering Tools

immutable-devtools. Chrome Dev Tools custom formatter for Immutable-js values

lighthouse. Auditing, performance metrics, and best practices for Progressive Web Apps

code-readability. HTML

react-netlify. JavaScript

devtools-never-pause-here-demo. An app to demonstrate a use case for Chrome's "Never Pause Here" feature.