SALI (Sara Automatic Linux Installer) is a tool that allows you to install Linux on multiple machines at once. It support several protocols for downloading by way of aria2 to install a machine. For example, BitTorrent and rsync are supported. SALI originates from SystemImager and still uses the same philosophy. It is a scalable method for performing unattended installation. SALI is mostly used in cluster setups.
pirysncd is an attempt to write a daemon to watch a directory for kernel write notifications and then execute an rsync command to synchronize two different directories (local or remote). This is a poor man's mirroring or an alternative (not so) real data replication mechanism based on Pyinotify.
Simple Continuous Integration Tools (scit) is an automated build and or test system consisting of a set of Perl and expect scripts utilizing common tools that are available for most Unix-like operating systems. The intention is to keep it lightweight while still providing a full set of features. The current version has a command-line and an HTML user interface. It should be possible to make it run on very modest hardware; part of the development and testing has been done on a Nokia N900 phone with both master and slave roles running on the same unit.
rocknroll (Rsync fOr baCKup and Roll) is an incremental backup maker based on rsync. It backs up a remote directory tree to a destination directory on the local host. For this backup, it manages a set of archives named tag.1, tag.2, etc. Using the famous "link-dest" option of rsync, it keeps only the difference between the different archives.
Pylsyncd is a Python implementation, similar to lsyncd, that uses rsync to synchronize local directories with several remote machines running rsyncd. Pylsyncd recursively monitors a set of directories using pyinotify, a pure Python module used for monitoring filesystems changes that relies on inotify. The main advantage of pylsyncd against lsyncd is that it uses message queues in order to synchronize several destination servers in parallel, saving up time when it is required to have more than one destination. It has been tested in heavily loaded environments.