State-of-the-art native debugging tools
UNIX-like reverse engineering framework and command-line toolset.
A Linux version of the ProcDump Sysinternals tool
strace is a diagnostic, debugging and instructional userspace utility for Linux
Python frame stack sampler for CPython
DebugView++, collects, views, filters your application logs, and highlights information that is important to you!
Debugging Framework for Windows.
Enhanced GNU Make - tracing, error reporting, debugging, profiling and more
Anything about kernel security. CTF kernel pwn, kernel exploit, kernel fuzz and kernel defense paper, kernel debugging technique, kernel CVE debug.
Static recompilation of Donkey Kong Country (SNES USA v1.0) with native widescreen presentation and deterministic debugging tools