Jessub

Jessub generates MaxL scripts based on templates with placeholders for dynamic values that can be filled in with values from the current date, relative date, or elsewhere. It can be a convenient way to update substitution variables without the pain of writing your own logic for what happens when you need to wrap a year or month or day of week or whatever else.

You can check out the original announcement/description and view the code repository. Licensed

Original announcement here. Google code repository is here. Licensed under Apache Software License version 2.