GOG.com
www.gog.com
Download the best classic and new games on Windows, Mac & Linux. A vast selection of titles, DRM-free, with free goodies and 30-day money-back guarantee.

cross-posted from: https://feddit.org/post/8787838

From their about-page:

We make games last forever

A home for building and playing your curated game collection, GOG is a digital distribution platform that puts gamers first and respects their need to own games.

GOG.com is Part of Polish CD PROJEKT group.