OllyDbg - OllyDbg is a 32-bit assembler level analysing debugger.
strace - Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.
htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
X64dbg - X64dbg is a debugging software that can debug x64 and x32 applications.
ftrace - A function tracer for the Linux kernel.
SoftICE - SoftICE is a debugging software for windows and DOS that analyzes all your programs and repairs them.