Minecraft Fabric - Fabric is a lightweight, experimental modding toolchain for Minecraft.
Amulet Map Editor - The Amulet Map Editor is a new and innovative Minecraft map editor made by the Amulet Team, a team formed by the contributors that brought you MCEdit-Unified
Quilt - Quilt provides collaborative database to visualize and analyze data without coding.
MCEdit - MCEdit is an open source world editor for the popular game Minecraft.
Minecraft Forge - Minecraft Forge is a free, open-source modding API and loader designed to simplify compatibility between community-created game mods in Minecraft: Java Edition.
Wurst - Minecraft open source hack