Free Design Templates from Zeroqode - A free collection of web design templates in PSD & Sketch format.
App Annie - App Annie is a marketing analytics tool available for apps of all kinds. With App Annie, you can track sales, traffic, and a variety of other factors pertinent to monitoring an app's trajectory.
CloudApp - CloudApp allows you to share images, links, music, videos and files. Here is how it works: choose a file, drag it to the menubar and let us take care of the rest.
AppFollow - AppFollow is an integrated solution that makes monitoring, analyzing, and elevating your app's reputation easy.
Flutter Widget Livebook - 100+ widget live preview samples, built with flutter for web
appfigures - Cross-platform app store analytics for all of your mobile apps.