[UUMMUU]

https://www.bento.io/ is pretty good for a list of teach-yourself-technology.

I would also check out Codeschool (although they're not free) because they have some really great classes on everything from Rails to jquery and CSS.

[reinhardt]

Too bad bento requires signing in with Facebook or Google.. ugh

[UUMMUU]

well some of the tracks do but most of the links at the bottom are purely just links to the resources.