hackattic - No nonsense, real world programming challenges
Operator - Looking for something? Make a request and we'll find it.
Code Fight Club - A fight club you can talk about. Less punching, more coding.
M+ 1m - Download and install the M+ 1m free font family by M+ Fonts as well as test-drive and see a complete character set.
Codewars - Achieve code mastery through challenge.
Inconsolata - OSX, Productivity, Design, Typography, powerline, and Fonts