From Excel Software:
ClickInstall makes it easy to create a professional Mac OS X software installer in minutes. Create installers for any number of products or licenses with a no-nonsense, one-time purchase.
Reduce development time and support costs. A user can simply double-click an installer from the CD or download and double-click to install. Your customer's first impression of your product and company comes from the install process.
ClickInstall 3.0 adds the ability to create a desktop alias to the installed application, generate an installer patch, build a batch of installers, apply a custom icon to the installer or apply a computer unique password or serial number activation to the install process. The vendor can generate a password for each user computer using ClickInstall or fully automate the install process with an online activation server. The Safe Activation service or self-hosted WebActivation product from Excel Software supports Serial Number controlled protected installers.