Lisp
- MIT/GNU Scheme
- CLisp – an ANSI Common Lisp implementation
- Clojure
- 4Clojure, a tutorial site on Clojure
C++
- Visual C++
- Getting Started with Winsock
- Win32 programming tutorials (Winsock, etc)
Perl
Swift
- Apple provides free iBooks on Swift
- Tutorial from Treehouse
- Tutorial from Ray Wenderlich
- Series of videos from Novall Khan. Start with the highest number and work your way down to number 1.
- Tutorial from iOS-Blog
- A tutorial that involves building a Tetris-like game from Bloc. You will have to register to access it, but it is free.
Other Languages