Turtl - The secure, collaborative notebook
C-Organizer - C-Organizer is a robust software tool designed for the professional manager that permits them to organize business activities altogether.
Tomboy - Apps/Tomboy - GNOME Wiki!
MSD Organizer - MSD Organizer one of the best software providing you a personalized experience with the complete visibility of the personal and professional manager.
Carnet - Opensource rich text note taking app
Info Select - Info Select is a Personal Information Manager that organizes Internet data, notes, to-do's...