Tarefas
Tarefas is a small, ligthweight open-source task manager for the GNOME Desktop Environment.
It features list, task, note management and consist in a cross-platform desktop application designed for personal use. Currently Tarefas is beign development using the GNOME Development Platform.
One of the milestones of the Tarefas development process is make it avaliable to Maemo and Moblin based devices.
Tarefas is a project that born as a part of the "Development of Free Software" subject of the second edition of the Master Software Libre. Tarefas is in a very early stage of development but is already very usable. For the next releases, we envision a lot more functionalities and technologies we'd like to provide the best user experience that a user ever felt when working with an organization tool. Tight integration with the the GNOME Desktop Environment is also amongst our priorities.
Tarefas is free software released under the GPL 3.0 license.
Good luck, we hope you find Tarefas useful!