Wallbase lets you find a ton of awesome wallpaper/background images free of charge. You can filter by relevance, date, popularity, or just have it pull up images at random. This is something I’ve been looking for for a long time.

Great for finding inspiration and/or seeing how the best of the best have designed their mobile experiences.
Organized by categories including navigations, signup flows, user profiles, commenting, activity feeds, etc.
Here’s a great format for startup pitches courtesy of Adeo Ressi. Full info here.
Menus, ribbons, interesting contact forms, slideshows, drop-shadows, and a bunch of other solid CSS3 resources.
30 days of 10-minute video tutorials that teach you html and css from the very beginning.
My favorite destination for NY Tech Scene news and insight. Writing style is much freer and honest, with headlines that’ll give you a laugh.
Tech.li is a tech blog most of you probably haven’t heard of. It’s a startup media outlet based in Chicago that focuses on innovation in the Midwest. It’s content is very different that the mainstream outlets, and definitely something to check out when looking for companies in the Midwest.