ltrace is described as 'Intercepts and records dynamic library calls which are called by an executed process and the signals received by that process. It can also intercept and print the system calls executed by the program. Used for debugging' and is an app in the os & utilities category. There are more than 10 alternatives to ltrace for a variety of platforms, including Linux, Mac, Windows, BSD and FreeBSD apps. The best ltrace alternative is Process Monitor, which is free. Other great apps like ltrace are Stratoshark, Valgrind, API Monitor and SystemTap.