PACE Suite!

Advanced Installer is a powerful and easy to use setup authoring tool which offers full Windows Installer support and more. You can configure every aspect of your installer through a simple graphical user interface or through its command line.

PDQ Deploy - Deploy Software and Patches Quickly

InstallShield is designed to enable development teams to be more agile, collaborative and flexible when building reliable InstallScript and Windows Installer (MSI) installations for PCs, servers, Web and virtual applications. InstallShield is the only software installer that can directly convert MSIs to Microsoft App-V virtual packages.

The Silent Install Builder is a great tool if you need to quickly install a set of software on a multiple computers.

InstallSimple - installation package maker that lets you create installer for your files.

SuperOrca is a direct replacement to the Orca MSI Editor from Microsoft. SuperOrca may be used to examine and modify any MSI database.

An MSI, MST editor, similar to Orca from Microsoft.

This application allows you to create MSI packages manually using a visual editor or automatically using the capturing technology. Both approaches are easy-to-use and don't require any special training, so you can successfully use the application even if you don't have experience in installation creation.