dnsrev is a script that will generate reverse lookup (PTR) data for all hostnames defined in the given DNS zonefiles. It uses BIND's parser to read zonefiles, so it should support features like $INCLUDE and $GENERATE, and of course it understands IPv6 addresses.
Plow is a workflow execution engine inspired by Makeflow. It features deps-aware execution, multi-process execution, incremental transition from imperative workflow execution with memo.py, and remote execution (with execnet gateway specification syntax).
pake is a simple utility for automating tasks like building apps and different bundles, removing temporary files, migrating databases, and more. Pakefiles are written in YAML and can contain Python and bash scripts.