There are 2 repositories under minecraft-world topic.
A tool to select chunks from Minecraft worlds for deletion or export.
Minecraft Plugin | Multi-world management | Per-world management
Analyze Minecraft region files to determine the empirical distribution of block types.
A kotlin/java lib that allows you to read and write MCA files in a clean way
Minecraft tool to automatically delete unused chunks/region based on the time played in them.
A Minecraft level parser.
A simple tool to remove unused chunks from Minecraft worlds, freeing disk space. || Maybe a Java implementation of Thanos.
python tool for checking minecraft worldls for fails
Useful tools for Minecraft worlds such as remove unused chunks, find blocks or entities.
Java版のワールド(1.13以降<以前も可>)をnukkitのワールドに変換するソフトウェア
My Minecraft 1.20 world
🛠️ A python module for modifying Minecraft worlds 🗺️
A useful tool to merge minecraft multiplayer worlds to a singleplayer world and back
Spells is a Minecraft world, also available on the Minecraft Marketplace
The Underlying Server Setup If Anyone Wants To Look At It. Also with our new test of showing in-game shop prices on a web page.
Star Block is a Bedrock Minecraft world, also available on the Minecraft Marketplace
A simple Minecraft chunk transformer API
This Datapack will help you to remove terrain from your world, while you are moving.
Bukkit/Spigot/Paper plugin that broadcasts a message when a world is saved
Minecraft combat arena world with custom developed data packs
A copy of the Salty Spittoon world folder. Seed (Java): -1151206295 Unzip into .minecraft\saves