"A simple command line tool to generate CSS sprites".

"CSS sprite maps improve efficiency by making fewer HTTP requests to the server, but most implementations cause serious problems for users who view content in high contrast mode."

The jury is still out on this'un.

"Provides a method for a web interface to use SVG images as icons, while being loaded from a single file. This reduces the amount of HTTP requests, offering the same kind of benefit available with CSS sprites."

"The bigger challenges when creating sprites are finding the background images and knowing how to group them into sprites. Once the sprite image is created, testing the sprite, including changing all the CSS, is time consuming. SpriteMe addresses all of these challenges."

"There are a number of misconceptions about CSS Sprites, the main one being that they have no downsides." Memory usage.

Makes spriting easy.

"interesting variation of CSS Sprites has been getting a lot of play on large web sites that serve millions of users."