Tools, libraries,methodologies:
Subversion, Doxygen, GNU Make, shell/bash, GNU C++ compiler/debugger GCC and GDB, POSIX threads and sockets, VIM editor, Bugzilla, Open office, ms office.
Programming Database:
C, C++, Qt, Phyton, TCL, SQL , Verilog,MY SQL
Operating systems:
Linux ( Ubuntu), Windows XP/Vista