Curated front end system design resources for interviews and learning

Top JavaScript interview questions and answers for Front End Engineers in 2025

High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without…

😎A list of awesome Babel plugins, presets, etc.

The spiritual successor to groundskeeper. Removes console calls, debuggers, and and pragma-wrapped code.

Babel Plugin that adds useful build time console functions 🎮

A babel transform for managing feature flags

Modular Lodash builds without the hassle.

Babel plugin to compose functions with piping using the & operator

A face detection library in 200 lines of JavaScript

Example of Parse Server using the express framework.

This is self-paced workshop designed to allow developers and system administrators to get hands on with Amazon Elastic Container Service concepts such as service and container-instance auto-scaling…

Exercises for HTML, CSS and JS

High Efficiency Image File Format

Bootstrap components built with React

🚰 Single-line ZSH prompt, based on "Pure".

SonarQube CSS / SCSS / Less Analyzer

Gimp Theme to be more photoshop like

Component-based UIs with vanilla ES6 and Custom Elements

Set up a modern web app by running one command.

📱 Collaborative List of Open-Source iOS Apps

A declarative Auto Layout DSL for Swift 📱📐

A Swift library that uses the Accelerate framework to provide high-performance functions for matrix math, digital signal processing, and image manipulation.

A set of Swift extensions for standard types and classes.

A functional tool-belt for Swift Language similar to Lo-Dash or Underscore.js in Javascript

Promise + progress + pause + cancel + retry for Swift.

📷 Reinventing the way ImagePicker works.

A lightweight framework to build chat applications, made in Swift

The better way to deal with JSON data in Swift.

Elegant HTTP Networking in Swift