Repository Index

FCC China open source codebase and curriculum. Learn to code and help nonprofits.

• freecodecamp
• cn-freecodecamp
• nodejs
• education

A collection of loading indicators animated with CSS

The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.

• best-practices
• guide
• owasp
• bugbounty

A sample Spring-based application

A spinning activity indicator

The minimal amount of CSS to replicate the GitHub Markdown style

A specification for building JSON APIs

A Claude Code skill that turns any codebase into a beautiful, interactive single-page HTML course for non-technical vibe coders.

A modular CSS minifier, built on top of the PostCSS ecosystem.

• postcss
• cssnano
• optimisation
• css

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

• cryptography
• tutorial
• book
• programming

Helping AI Agent become an awesome practical hacker!

A framework for developers who want to design, build and share cross device applications.

Balloons.IO is a web multi-room chat server and client ready to use. It’s built with the help of node.JS, Express, Socket.IO and Redis. Balloons uses PassportJS for authentication with Twitter and Facebook

Automatically persist your forms' text and select field values locally, until the form is submitted.

Start your project with a remedy for the technical debt of CSS.

Themes for Pelican

A very shy little theme that hides the entire browser interface in the window border

• css
• firefox
• firefox-css
• firefox-theme

A simple, modern, browser notification system

Firefox CSS Theme - Dark theme / More compact / Modular / Blur

• css
• userchrome
• firefox
• theme

JuliaMono is a monospaced font for scientific and technical users, with comprehensive Unicode support.

• julialang
• julia
• font
• fonts

Hedy is a gradual programming language to teach children programming. Gradual languages use different language levels, where each level adds new concepts and syntactic complexity. At the end of the Hedy level sequence, kids master a subset of syntactically valid Python.

• hedy
• gradual
• education
• programming

Example Chat Application using RxJS and Angular 2

Implement localStorage web font caching in seconds

Tiny & beautiful site-wide progress indicator

• topbar
• tiny
• progress
• progress-bar