Ubuntu: Gettings Things Gnome! - ToDo Лист для Gnome.

Getting Things GNOME! is an organizer for the GNOME desktop environment. GTG focuses on usability and ease of use. Its main objective is to provide a simple and yet flexible organization tool for life and work.

Для установки нужно: 
Меню-->Центр приложений Ubuntu-->Поиск-->Getting Things Gnome!-->Установить

Приложение можно найти в: 
Меню-->Офис-->Getting Things Gnome!