Taskwarrior - Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant...
Synology Note Station - Without needing to spend money on Evernote, Synology Note Station provides a desktop client to organize all your random notes in one place.
Taskbook - Like Trello but for the Terminal
UpNote - A beautiful and clean cross-platform app for notes organizer
dstask - Command line todo list with git sync
Note Board - Productivity app. Save information like a sticky notes.