GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, it works for C, C++, Fortran, Modula 2 and Java programs. A must-have for any serious programmer. GDB is a source-level debugger, capable of breaking programs at any specific line, displaying variable values, and determining where errors occurred. Currently, it works for C, C++, Fortran, Modula 2 and Java programs. A must-have for any serious programmer. This particular version is Python enabled.