Heartbeat
Provides a report on the overall status of the Skype system.

IFree Skype Recorder
Record your Skype calls either automatically or manually. Has very good audio quality.

Jaws Scripts For Skype
Doug Lee's Jaws scripts for Skype website. Several versions will be found here.

SkypeTalking Project
Skype Talking will provide audible feedback on status changes, call information and read messages. Works with most screen readers and is free.