The ASCOM Project
Like The EQMOD project the ASCOM project is a set of universal standards for astronomy. There are various drivers available on their download page to assist in computer control. Click here to visit their download page.
The EQMOD Project
EQMOD is a suite of open source applications to allow your PC to communicate directly with your mount as an alternative to your hand controller. Here is a link to the EQMOD Project.
Replacing the hand control with a direct link to your PC opens the door to automated sequences, plate solving, remote control from Stellarium etc.