Download of ClickInstall 6.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The software lies within Developer Tools, more precisely Distribution. This software for Mac OS X is an intellectual property of Excel Software.
From the developer:
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.
You may want to check out more Mac applications, such as InstallAnywhere, SQLite Sorcerer or Installer Maker, which might be similar to ClickInstall.