InstallSite.org is a collection of tips, technical articles, sample code, tools, discussion forums, and the like for developers creating setups with Microsoft's Windows Installer (MSI) technology or InstallShield products. It also has information for System Administrators and IT Professionals repackaging and deploying MSI packages. InstallSite maintains a list of MSI authoring tools (including commercial tools, freeware and open source) and a list of books about Windows Installer and other setup related topics.
If you ever thought about making an installer for your application this is the place to start. You'll also find a complete list of authoring tools.
