A machine simulator for the Intel 8080 processor. May be used to run 8080 binary in a debugging environment.
A multi-platform user interface to the GNU debugger, GDB, implemented using GDB/MI and the Qt 4 (GPL) framework. Supports GDB 6+ natively for GNU/Linux (X11), Windows (MinGW/GDI, Cygwin/X11), Mac OS X (Carbon), FreeBSD (X11), Solaris (X11), other Unices.
The XPS is a scalable platform for meta-programming and domain engineering. It provides a virtual machine, compiler, and runtime library that make it possible to efficiently develop, debug, and run programs based on XPL (eXtensible Programming Language)
xtrace - eXtended trace utility, similar to strace, ptrace, truss, but with extended functionality and unique features, such as dumping function calls (dynamically or statically linked), dumping call stack and more.