All your favorite services in one place
The Freeplane add-on that syncs a GTD mind map with a todo.txt file
a free mind mapping tool, to especially assist decision making
A mini todo and project management application
A note taking program with WebDAV sync
PWM let you organize your project in a Web 2.0 way.
Personal information manager. Free, opensource. Powerful and simple.
Create Lazy to-do list just by typing anywhere.
Simple program that plays alarms to remind you of an event
Better Late Than Never (BLTN), a task manager using Remember the Milk
Selenio helps you manage your reminders in an extremely quick way
LAMP-based Project Management System
poom is a timer for The Pomodoro Technique®