Which operation system do you use for programming and which IDE is your favourite?

Question

let's start! I am programming on Kate (mainly) on OpenSuse Leap Linux Distro

Answer 1

Netbeans on Ubuntu here

Answer 2

Linux(Ubuntu 14.04) PHPStorm/RubyMine

Answer 3

ubuntu, geany and vim

Answer 4

Linux and Vim

Answer 5

Mac OSX and for java, InteliJ