GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Cydia - An alternative app store for jailbroken devices.
Origin - Origin is your new digital playground. It’s where you go to find the best that EA has to offer.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
Epic Games - Computer game storefront that gives 88% of revenue to developers
Fnd - Browse Apple App Store and iTunes on the Web