SharpCap is described as 'easy-to-use and powerful astronomy camera capture tool. It can be used with dedicated astronomy cameras, webcams and USB frame grabbers' and is an app in the Education & Reference category. There are more than 10 alternatives to SharpCap for Windows, Mac, Linux, iPhone and Raspberry Pi. The best alternative is AllSkEye, which is free. Other great apps like SharpCap are AstroImager (Paid), N.I.N.A. (Free, Open Source), SbigControl (Paid) and Sequence Generator Pro (Paid).