CyanogenMOD on my phone.
FreeBSD on the server.
Gentoo on my workstation with BackTrack, Debian, Mint, Ubuntu, FreeBSD, HAIKU and various versions of windows running inside KVM from time to time.
OpenWRT on my router.
*FreeBSD and HAIKU are not Linux distributions.
Languages: Some asm(x86/arm/avr ), bash, batch, C, Cpp, poweshell, python.
Some more that I haven't used in ages - BASIC, Pascal, SQL, LISP