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

Build silent installation packages
The Silent Install Builder allows you to easily install multiple programs with one click. You can create a setup package that contains multiple application installers. To install these applications, simply run the package. Programs will be installed automatically in background mode (silently).

Use wyBuild to make update patches and get them to your users fast. Using the open source updater, wyUpdate, you can update your app no matter what language you used (C++, Delphi, Java, C#, VB.NET, etc.). You can silently check for updates to GUI apps and silently update Windows Services.