Awesome collection of well-made plugins for jQuery to handle lots of common UI tasks.

jQuery Masonry

http://desandro.com/resources/jquery-masonry

Neat plugin that allows you to position things on a “vertical” grid rather than a “horizontal” one, so that all your blocks take up less vertical space and mesh up better.

Closure Compiler/Library

http://googlecode.blogspot.com/2009/11/introducing-closure-tools.html

Closure Compiler/Library

“Closure Compiler is a JavaScript optimizer that compiles web apps down into compact, high-performance JavaScript code. The compiler removes dead code, then rewrites and minimizes what’s left so that it will run fast on browsers’ JavaScript engines.”

PHP.JS

http://phpjs.org/

PHP.JS

“PHP.JS is an open source project in which we try to port PHP functions to JavaScript. By including the PHP.JS library in your own projects, you can use your favorite PHP functions client-side.”

Ident Engine

http://identengine.com/

Ident Engine

“Without much conscious thought, most of us have built identities across the web. We’ve filled in profiles, uploaded photos, videos, reviews and bookmarks. The Ident Engine uses semantic web API’s to bring together these web footprints.”

CodeMirror: In-browser code editing

http://marijn.haverbeke.nl/codemirror/

CodeMirror: In-browser code editing

“CodeMirror is a JavaScript library that can be used to create a relatively pleasant editor interface for code-like content ― computer programs, HTML markup, and similar.” Better option than CodePress?

PHP Speedy

http://aciddrop.com/php-speedy/

PHP Speedy

“PHP Speedy is a script that you can install on your web server to automatically speed up the download time of your web pages. Here’s an example, from a test page:”