An interactive terminal based todo.txt file editor with an interface similar to mutt.
Minimalistic todo manager that uses a simple plain text file to keep track of items; implemented as a shell script.
Tasky is a command-line interface to Google's Tasks API.
It is meant to parallel the functionality of Todo.txt.
todo.txt-cli - A simple and extensible shell script for managing your todo.txt file.
QTodoTxt - Cross Platform todo.txt GUI