the lorem ipsum of images.
http://dummyimage.com/[w]x[h]/[bgcolor]/[fgcolor].[format]&[text]

minimalistic css framework. good width detection and mobile browser support.

wow...cheat sheets, wallpapers, reference guides...addedbytes (formerly ilovejackdaniels.com) was good, but this looks even better!

simulate colorblindness when designing web pages. sadly, requires the adobe air runtime. we'll forgive it, though, in the name of accessibility.

doesn't get easier than this to figure out your target audience for the web's newest favorite buzzword.

a few clever tricks for making your jpegs look like something moderately decent...and possibly smaller, too!

i've waxed lovingly on firebug, the firefox extension that turns your browser into an ide. was not aware of the many firebug extensions, though. some of these could be extremely useful...

amazingly comprehensive installer that contains every version of internet explorer in standalone packages so they can run side-by-side. a treat for hardcore web developers who need to ensure that their markup stands up against every iteration of the absolute shittiest web browser in history. also includes the developer toolbar, which helps with very basic css/script debugging, but isn't nearly as comprehensive as firebug for firefox or webkit/safari's web inspector.

not really a game, per se, but a neat test to see how well you can differentiate between color hues.

yet another excellent place for free fonts.

This is actually a Visual Studio design template article, but the CSS for the 3-column is halfway down the page

graphics, code, os tutorials