Gone - An ephemeral to-do list
Streaks - The to-do list that helps you form good habits.
empty - empty is an utility that provides an interface to execute and/or interact with processes under...
DejaGnu - DejaGnu is a framework for testing other programs.
The ToDon't List - A to-do list for avoiding the things you shouldn't be doing
Simpli - Keep track of email, calendars, notes and more in a unified interface.