I like very much http://www.codeskulptor.org/ http://www.codeskulptor.org/ because of the small entry barrier: easy syntax, small ecosystem, no installation, go

I like very much http://www.codeskulptor.org/ http://www.codeskulptor.org/ because of the small entry barrier: easy syntax, small ecosystem, no installation, good documentation, possibility to write small games. If you are young, you can also motivate friends, emulation, ... And for you second language you will probably know better why you want to leave codeskulptor: - full python to have bigger ecosystem - java if you want an IDE (eclipse or netbean) - javascript, html, css if you want to build a "startup" - haskell or scala if language is your interest - C, unix if system interests you - C++ if you are masochist - Excell VBA - ...