Godot Engine - Feature-packed 2D and 3D open source game engine.
Farfetch - Farfetch: Shop Designer Fashion & Spring Style is a superb app for you to shop for your desired things, developed and published by Frefetch UK Limited.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Swift Playgrounds - Learn serious code on your iPad in a seriously fun way
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
BazooApp - A personal success calendar based upon Chinese metaphysics