Unreal Engine is recommended for game developers who require cutting-edge graphics and performance, individuals interested in virtual production, architects looking for detailed visualizations, and anyone wanting to work on large-scale, high-fidelity projects.
Cron - Cron Calendar.
Unity - The multiplatform game creation tools for everyone.
zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.