Desktop Based: 3D Visual Effects Programs
Unreal Engine 4 - Interactive Experience & Immersive Virtual Worlds / Game Dev Program
http://www.evolved-software.com/particleeditor/particleeditor
https://effekseer.github.io/en/
Blender - Versatile 3D Modelling / Particle Effects / Animation / Video Program
https://www.blender.org/
Blender For Artists - A New Release 23/04/2020 - A Streamlined Version Of The Main Blender Program
https://www.bforartists.de/
Houdini Apprentice - A Limited Version Of The Procedural VFX Production Program
https://www.sidefx.com/products/houdini-apprentice/
Maxon Cinema 4D ( Commercial / Sub ) - A High End 3D Rendering / Motion Graphics / Animation / Modelling Program