Beaver Debugger is free cross-platform debugger (GDB frontend). Beaver Debugger for Linux support C, C++ and QScript languages, Unix/Linux, MS Windows, Mac OS, and some other platforms, and common debugging tasks, such as step through the program line�¢??by�¢??line or instruction�¢??by�¢??instruction, interrupt program execution, set breakpoints, and examine call stack contents, watchers, and local and global variables.