itch.io - An online game marketplace and community.
Humble Bundle - Buy a bundle of games, you decide the price, and support charity in the process.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
The Indie Gala - Buy a bundle of games, you decide the price, and support charity in the process.
Origin - Origin is your new digital playground. It’s where you go to find the best that EA has to offer.
Fanatical - Buy awesome games. Pay a fraction of the retail price!