Taskbook - Like Trello but for the Terminal
Taskwarrior - Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant...
Todorant - Tricks yourself into craving completing tasks
Calcurse - Calcurse is a calendar and scheduling application for the command line.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
dstask - Command line todo list with git sync