Shader World : procedural landscape, ocean, foliage

Detail link: https://www.unrealengine.com/marketplace/en-US/product/shader-world-free-procedural-landscape-and-ocean
GPU-accelerated Procedural World Creation: Compute Shaders, Virtual Heightfield Landscape, Ocean, GPU foliage system.
ShaderWorld is a code plugin built by qualified engineers with at least a master degree in computer science.
Shader World Documentation
Tested and compatible with : Windows 10, Mac (arm M1), iOS(IPad mini), Android (S9 OpenGL&Vulkan)
Documentation: Shader World Plugin - Documentation
Github access : see end of Description for proof of ownership
Features:

World creation from a Material function and Blueprint Brushes : fast iteration, instant feedback
Modern Virtual HeightField as a Geometry clip map representation
Landscape data layers : runtime computed equivalent to traditional UE4 Landscape layers
Mesh and Actor spawning with custom density functions : GPU Driven, using Data layers
BP Brushes can write into landscape layers : Heightmap Brush demo writes flowmap
16 Bits Heightmap import using a blueprint tool (raw/png 16bits)
Compatible with mobile (Android & iOS) and desktop devices (Windows & Mac)
Spawnable Meshes can enable collisions only at proximity for optimal performance
Scalable Landscape Material: Clean and Commented, Manage Multi Biomes and feature performance options