Closure Compiler is a JavaScript optimizing compiler. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. It is used in many of Google's JavaScript apps, including Gmail, Google Web Search, Google Maps, and Google Docs.

ClojureScript compiler and core runtime library.

Renders gadgets, provides the gadget metadata service, and serves all javascript required by the OpenSocial specification.

Javascript/CSS bundling and compressing tool for java web apps. By using jawr resources are automatically bundled together and optionally minified and gzipped.

The Maven Wisdom Plugin allows building applications for Wisdom.

a library to minify CSS and Js sources

Tapestry Webresources

Renders gadgets, provides the gadget metadata service, and serves all javascript required by the OpenSocial specification.

Minium Core

Gradle JS Plugin

Spaghetti