MSIDIFF is freeware to compare or disassemble Windows Installer databases (a "MSI to TEXT" Utilitaire). 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.

Create or update MSI based installers for files, registry etc using an XML like script. Can use in automated builds (NMAKE, ANT, NANT builds etc). Builds a HTML report by default (with a "file verify" button). For both beginners and advanced users.

Check MSI is a tool for setup programs that checks the version of the Microsoft Windows Installer present on a user's Système. If the right version is present Check MSI launches the product's setup program transparently.

Create or update MSI based installers for files, registry etc using an XML like script. Can use in automated builds (NMAKE, ANT, NANT builds etc). Builds a HTML report by default (with a "file verify" button). For both beginners and advanced users.