Ubuntu Builder Alternatives
Ubuntu Builder is described as 'simple tool to build your own distribution. It allows to download, extract, customize in many ways and rebuild your ubuntu images' and is a Linux Distro in the OS & Utilities category. There are 2 alternatives to Ubuntu Builder for Linux. The best alternative is Customizer, which is both free and Open Source.
- Distroshare Ubuntu Imager is a shell script for "re-mastering" your current installation. This means that the script creates and installable distribution for your current system. It excludes your home directory and any personal files.
Discontinued
This was a very promising alternative to remastersys (which gave rise to Pinguy Builder, Bohdhi Builder, and Linux Respin). Unfortunately, the last update to the code was in September 2015. See https://github.com/Distroshare/distroshare-ubuntu-imager