MacMenuBar - A curated directory of 200+ Mac menu bar apps
Fnd - Browse Apple App Store and iTunes on the Web
Altstore - A home for apps that push the boundaries on iOS
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
Intercom App Store - Integrate with Intercom and grow your business
Knicket App Search - The future Wikipedia for Apps