Firstly, are you also a tech savvy person yourself? If you are, and you know your tech savvy recipient well enough, you will probably be able to get the person gifts that he / she may like very much. A majority of tech savvy people are also Early Adopters in any technology.
The newest electronic gadgets, computer or digital products, gaming and other software will all make great gifts. Even a good book on the recipients area of interest in the tech area is a safe bet. For example, if you know that your recipient had just installed a new software, giving him an authoritative guide about that software will sure to please.
If you're not sure what to get, don't just get any software or gadgets for your tech savvy recipient. It might be something so outdated he / she will be embarrassed to receive or be seen with. The software you get him / her may not be compatible with the computer he / she is using. Therefore, a good rule of thumb is that you must know your recipient well if you want to be sure of getting the perfect gift, even for the tech savvy person. A gift certificate is more ideal if you are not sure what else will please the receiver.