Dependency Walker
Dependency Walker is a free utility that extracts a hierarchal tree of dependencies from any 32- or 64-bit Windows executable module (EXE, DLL, OCX, SYS, DRV, etc.), including those that were built for Windows CE.
RegDllView is a small utility that displays the list of all registered dll/ocx/exe files (COM registration)
RegDllView is a small utility that displays the list of all registered dll/ocx/exe files (COM registration)
system-utilities dll-viewer dll-dependency dll-hell dll-registration