CppCon 2015: Greg Law “Give me 15 minutes and I'll change your view of GDB” (opens in new tab)

There's a curses interface[1], and a Python interface[2] built into GDB. Also, you can issue commands when breakpoints are hit[3].

[1]: https://sourceware.org/gdb/onlinedocs/gdb/Break-Commands.htm...

[2]: https://sourceware.org/gdb/onlinedocs/gdb/Python.html#Python

[3]: https://sourceware.org/gdb/onlinedocs/gdb/Break-Commands.htm...