MathSciNet (Bonn),
Zentralblatt,
Cobiss (IZUM)
ICPC: Sodnik
(lang, moderated, std) in C++ (lang, moderated, std ): GCC - info (Mingw - info; Cygwin), BCC; Dev-C++ - info

Razno:
Google (imenik),
Najdi.si,
telefonski imenik,
Slovenske železnice,