Puppet can let you purge resources you do not manage explicitely
#tutorial
Templating Puppet Control Repositories
When managing multiple Puppet Control Repositories, modulesync is a very useful tool to keep files in sync.
Enhance, Colorize, and Animate Old Pictures
MyHeritage in Color allows to fine-tune automatically colorized and enhanced photographs
All the ways to manage files with Puppet
Puppet has many tools to manage configuration files. Knowing them can help you choose the one that best fits your needs.