Programming Language:
Python, C, C++, C#, Java, Perl, MATLAB, J2ME, Assembly Language, Prolog, Verilog
Mobile App Development:
Android, iOS
Scripting Language:
PHP, HTML, JavaScript, AJAX
Database language:
Oracle, MySQL
Compiler tool:
LEX, YACC
Simulator:
Nachos, Packet Tracer, Proteus
Game Development Tool:
BYOB (Build Your Own Block)