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
A kotlin/java lib that allows you to read and write MCA files in a clean way
Analyze Minecraft region files to determine the empirical distribution of block types.
A Minecraft level parser.
python tool for checking minecraft worldls for fails
Useful tools for Minecraft worlds such as remove unused chunks, find blocks or entities.
Minecraft tool to automatically delete unused chunks/region based on the time played in them.
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