First Boot Package Install Generator 1.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The current setup file available for download occupies 2.6 MB on disk.
The actual developer of this free software for Mac is Apple Inc. The program lies within Productivity Tools, more precisely Office Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
First Boot Package Install Generator is an application that generates distribution-style flat packages for use with createOSXInstallPkg and customized NetInstall OS installers. The packages generated by this tool are designed to serve as a delivery mechanism to install other packages during a Mac's startup process.
You may want to check out more Mac applications, such as Puss In Boots Interactive, WebOS Quick Install or Boot Buddy, which might be related to First Boot Package Install Generator.