AppNext - AppNext offers mobile monetization and app distribution solutions.
Unity - The multiplatform game creation tools for everyone.
Liftoff.io - eCommerce & web to print platform
Godot Engine - Feature-packed 2D and 3D open source game engine.
Localytics - App analytics and marketing for iPhone, iPad, Android, HTML5, Blackberry and Windows apps.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.