OK, OK. Yes everyone want to promote their software. This is NOT the point of this question. It is what do people think of the software. What's good, what's bad.
Here's a list of many popular ones so we don't have to have everyone posting for self promotion.
OK All, so here's a current summary of ONLINE options, not CD only software. Let's keep adding.
MyPhysioRehab
Pacpacs
The Rehab Lab
Mavenlive
PhysioToolbox
Physiotec
PhysiotherapyExercises.com
ExRx (Exercise Prescription)
PhysioTools Online
Exercise Prescriber
PT Studio
Rehab Software Pro
Übungen für die Physiotherapie, Training und Rehabilitation zu Hause und in der Praxis (English and German)
Visual Health Information Exercise Softwar
ephysio
Exercise Place
hep2go
txxchange