Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Unity - The multiplatform game creation tools for everyone.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.