Rocket.chat is an open source web chat platform. It's multi-platform and highly configurable.
The ancient art of Japanese paper marbling is known as Suminagashi. Meaning "floating ink," it's the process of using just water, inks and brushes to create gorgeous marbleized ...
Dio is a lightweight virtual DOM framework. It's only 6kb minified and gzipped.
APImock is a very basic fake API server. It can be used for building the front end of an app before the back end is ready.
Weex is a mobile cross-platform UI framework. It's lightweight, high-performance, and extendable.
Multiple.js is an experiment for sharing backgrounds across multiple elements using CSS.
BlazeCSS is a modular CSS framework for building well-structured websites quickly. It's halfway between monolithic frameworks like Bootstrap and microframeworks like Milligram.
Stack Overflow Documentation is a comprehensive crowd-sourced programming language documentation site. It covers everything from CSS to PHP to MySQL and dozens of others.