Open Terrain Generator (OTG) - Mods - Minecraft - CurseForge
Minecraft Customized World Preset Generator
TERAH - 6000x6000 World with around 100 Custom Biomes Minecraft Map
How to Build: Custom Biomes in Minecraft! - YouTube
Iris Custom Map Generation Minecraft Map
Made a custom biome, any suggestions? : r/Minecraft
Biome Bundle v6 for 1.12.2 is out. Hope you enjoy all 444 custom biomes! : r/feedthebeast
History of world generation – Minecraft Wiki
Top 5 Best Minecraft Mods For World Generation
Minecraft Customized World Preset Generator
TerrainControl: Advanced World Generator - Minecraft Mods - Mapping and Modding: Java Edition - Minecraft Forum - Minecraft Forum
I've been making another terrain generator focused on making the world more realistic with better mountain terrain, new biomes, wider rivers, custom trees, etc. Here's a screenshot of the 'Alpine' area -
I made a world generator that doesn't add biomes but improves on the vanilla ones : r/Minecraft
Minecraft 20w30a: How to make a custom biome (Tutorial) - YouTube