Master the command line, in one page

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Sample Apache Camel application for invoices handling.

protect your websites with varnish rules

JavaScript, SCSS, Sass, Less, and Stylus helpers for rendering high-resolution image variants

Smooth Proj4js integration with Leaflet.

Eclipse plug-ins for Less (http://lesscss.org/) and CSS.

Filesystem in Userspace implementation for MacOSX

A nice file structure of Sass files to start off a new project.

A maven plugin to process less files to css with lesscss.

Collaborative editing in any app

More popular than Git*ub

Wicketstuff-core projects are bundled user contributions for use with Apache Wicket (https://wicket.apache.org/). They are released in step with Wicket releases to make them easy to use.

The only script in your HEAD.

Resumable, asynchronous file uploads using WebSockets in HTML 5 compliant browsers

Bring data to life with SVG, Canvas and HTML. 📊📈🎉

JavaScript Application Framework - JS library only

Play framework

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This project is now part of this one: neo4j/community

Less. The dynamic stylesheet language.

A Java HTTP client that accesses the SimpleGeo API

Neo4j Spatial is a library of utilities for Neo4j that faciliates the enabling of spatial operations on data. In particular you can add spatial indexes to already located data, and perform spatial …

a high-level CouchDB client for Node.js

A professional front-end template for building fast, robust, and adaptable web apps or sites.

The 960 Grid System is an effort to streamline web development workflow.

Unfancy JavaScript

🏩 Cascading grid layout plugin

Quicksilver Project Source

LESS Servlet - Runtime handling and optimization of less.js resources