MSIDIFF is freeware to compare or disassemble Windows Installer databases (a "MSI to TEXT" Dienstprogramm). While it is a command line based tool, the installer creates shell extensions so that it can be invoked by right clicking on a file in Explorer.

MSIDIFF is freeware to compare or disassemble Windows Installer databases (a "MSI to TEXT" Dienstprogramm). While it is a command line based tool, the installer creates shell extensions so that it can be invoked by right clicking on a file in Explorer.

Files Compare is a visual tool for files and directories comparison. It has a number of simple and convenient features that many users have been expecting for a long time from a comparison program.