[$] Managing to-do lists on the command line with Taskwarrior

Managing to-do lists is something of a universal necessity. While some
people handle them mentally or on paper, others resort to a web-based tool or
a mobile 
application. For those preferring the command line, the MIT-licensed https://taskwarrior.org
 offers a flexible solution
with a healthy community and lots of extensions.

https://lwn.net/Articles/969904/