Analysing .exe and ddls This tool lets to know the program's .exe's and .dll's, and their DLLs, that any program uses.

Decompiler Borland C++ I see util this tool to know the apis invoked and to know the DDL programs needed in teh instalaton.

one good software to know about libraries. I don't know if there are some other similar softwares available on the web but this one is really cool. It is simple to undestand and easy to use.