Page for testing responsive sites.

Glue is a simple command line tool to generate CSS sprites

The main idea of this tool is to test HTML mails that will be sent as campaigns, newsletters and others.

Tumblr’s new Photoset feature was hinged on being able to quickly display high-res images in an interactive lightbox slideshow.

I've decided to round up the best CSS Gallery/Showcase websites around. I based my ranking on several factors including design, functionality, and overall originality. If you haven't visited one of these sites you should definitely have a look at them.