Taskwarrior uses concepts and techniques described in Getting Things Done by David Allen, but is paradigm-agnostic in that it does not require users to adhere to any given life-management philosophy.
[3] According to its author, Taskwarrior was created "to address layout and feature issues"[4] in the Todo.txt applications popularized by Gina Trapani.
[5] The authors offer an accompanying tool called Timewarrior for tracking time spent on projects.
[7] The documentation notes that "Timewarrior focuses on accurately recording time already spent, whereas Taskwarrior looks forward to work that is not yet done.
"[8] Taskwarrior's source code is a free and open-source software and can be either compiled from source code to run on a variety of architectures and operating systems, or installed as a binary, which is available on many Linux distribution binary repositories.