Best Referral Programs - A curated directory of startup referral programs
Widgeridoo - Custom and pre-made widgets for iOS and macOS
Invitation.Codes - Share the referral codes of products you already use and love.
Widget Web - Widget Web is a handy application that allows you to view the content of web pages in a widget on your iOS device’s home screen.
Glimpse - Discover trends before they're trending
Viral Coefficient Calculator - Calculate a viral referral loop for apps