SirPrimalform: There are already open source GOG downloaders that are better featured than the old GOG downloader.
Hey there! I know, I use gogrepo from time to time to backup stuff. It's a great tool indeed!
Trilarion: If gogrepo had a GUI we could probably call it "what Galaxy should have been".
This x1000! I was thinking about creating a GUI frontend for it but my time is limited to make myself more comfortable with Python. I would prefer to use my "weapons" of choice, C++ and Qt, since I am fully experienced in those (I also think the offical GOG downloader is made like this). If anyone has any tutorials/guides/pointers (no pun intended) on using the GOG API (preferably through C++) I would be grateful!