Z-Write word processor | allows nonlinear thinking

This is a great share ware app that I've just become aware of. It doesn't have all of the robust features of the top notch word processors, but it's key feature is amazing.

In a single file, you can keep many different threads going at once. This is very helpful for organizing thoughts and maintaining the creative process. Instead of being forced to write completely linearly, you can simultaneously develop many ideas, and then work them together later.

Check it out