Distraction-free Vim. Hahaha.

WP Super Cache.

Free (back-link required) GUI elements, interface icons and color schemes for Adobe Illustrator.

Via a plugin in IE7/8, Chrome and Firefox.

jQuery layout plugin by David DeSandro that enables uneven sized columns (length and width) to slot together as in print.

Jacek Galanciak’s sort and filter animation plugin for jQuery.

Open source lightbox script by Paul Engel based on jQuery. Offers a wide variety of configuration options and inclusion methods.

Charles Johnson’s RSS and Atom feed aggregator plugin for WordPress that parses external feeds into the WP database using MagpieRSS.

Visual timeline using SIMILE as a plugin for WP.

Michael Martin’s How To, using WP-DB Manager.

Database management plugin for WordPress 2.8.x.

For using your own short URLs via WordPress.

Christopher Soghoian’s Firefox plugin for opting out of around 40 web advertising networks including Microsoft’s, Google’s and Yahoo!’s.

Firefox extension by Glenn Jones that uses the Google Social Graph API to identify people based on the rel="me" link attribute. Easy to use—for example “Ctrl + I” (Mac) or “Alt + I” (Windows) on someone’s Twitter profile page—it pulls in available data from the present site and any other social web sites it can. According to Google’s API, the plugin can identify public URLs that belong to the person being looked up, and publicly declared connections between that person and others. Quick feedback on the identifying information you publish about yourself online.

Richard Rutter discusses PolyPage, a jQuery plugin for building context-dependent wireframes (e.g. logged in, not logged in) using cookies.

Recently released performance diagnostic tool for WordPress.

Drew McLellan’s jQuery script that fixes PNG alpha channel transparency in IE6—making it work in both the HTML img element and in PNGs included via CSS.

jQuery plugin that can be used to generate a decent range of sparkline graphs for small-scale data visualisation.

Elliott C. Back's WordPress performance optimization tips.

Austin Matzko has written a plugin that provides output compression functionality to WP-Cache.

Mark Jaquith publishing the same tip on output compression for WP-Cache.

The Art Direction plugin, as devised by Jason Santa Maria, implemented by Noel Jackson, and given a rave review by Zeldman.

Database backup plugin that allows automated backups to be sent by e-mail.