Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Botcraft is a cross-platform C++ library to create bots
jfCraft : Yet Another Minecraft Clone
Minecraft Forge Hybrid server implementing the Spigot
Backup & restore Minecraft worlds with one click.
Neo Modding API for Minecraft: Java Edition, based on Forge
Converts Minecraft world files between formats to allow editing
C library for manipulating Minecraft world data
MCManager - The ultimate Minecraft content manager.
Editor for NBT Files like Minecraft's "level.dat"