Cydia - An alternative app store for jailbroken devices.
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #
AppRecs - AppRecs sorts through reviews in the App Store and automatically helps you filter out inauthentic results.
ActiveWords - Auto correct on steroids
Fnd - Browse Apple App Store and iTunes on the Web
Zeplin - Collaboration app for UI designers & frontend developers