Mobile Chat Kit - UI kits & sample apps for building in-app mobile chat
Lydia - Lydia lets you use your card whatever you need to pay, even a friend.
Ambient Design - Ambient is a mobile app design market where you can get unique mobile UI kits.
Noodlio - The marketplace for app development
iOS Design Kit - The newest library of native iOS templates
Xtendify - Marketplace for Open Source CMS and Frameworks.