One such application, however, is ThinkingRock. Written in Java, ThinkingRock boasts versions for Windows, Mac OS X, and Linux.
In ThinkingRock, you work in specific modes that relate to the various levels of the GTD workflow. For example, rather than entering a task and setting the project it relates to and the context at that moment, you can simply use a collection view to do a brain dump of all of the tasks and ideas that are bouncing around in your mind.
