Great if you have clients uploading images that are at different aspect ratios to the height and width settings in your pages. Using CSS you can control how the image looks, either letterbox or zoomed.
Archives
CSS playground
Some intersting CSS experiments here. Lots of things that would normally require javascript to pull off.
Pure CSS3 accordion
No javascript for this accordion.
WordPress Post Formats Admin UI : alexking.org
Provides a great interface for the Post Formats in WordPress, customising the UI for each type of Post Format.
Load Next WordPress Posts With AJAX
Populates all of the posts and then only shows a set amount until you ask it to load the rest without refreshing the page.
Gravity Forms Directory & Addons
Looks a very handy plugin for showing live form data on your site.
Office Snapshots
A good little site for office inspirational designs. The home office section is good to which is found un the other sites in the menu.
Ultimate CSS Gradient Generator
Allows you to pick a colour gradient and then this site will give you the CSS3 code needed to add to your CSS file.
WP Document Revisions
A bit like Google docs really!
User Switching Plugin
This look very handy. Many of the client sites I make have dashboard changes which are user specific and therefore it will come in handy to check what a specific user can see.