You can learn more about it here: wiki:pyenvjasmine
Stamper is a time tracking tool. It allows you to record how much time you have dedicated to a given task.
You can learn more about it here: wiki:stamper
Mailjam is a mailing list manager. With it you can create mailing lists and manage them, and it also has a server-side part that can be attached to a running MTA in order to deliver emails to the mailing lists recipients.
You can learn more about it here: source:mailjam/README.rst
for help on using the wiki.