GNU debugger
GDB is a source-level debugger for Ada, C, C++, Objective-C, Pascal and many other languages. GDB can target (i.e., debug programs running on) more than a dozen different processor architectures, and GDB itself can run on most popular GNU/Linux, Unix and Microsoft Windows variants.
Homepage: https://www.gnu.org/software/gdb/
Maintainer: Pascal Stumpf <pascal@stumpf.co>, Jeremie Courreges-Anglas <jca@wxcvbn.org>