Tools Using the Node Damage and Repair System
Noodlemire

Overrides pre-existing tools to make them cause persistent node damage.

Discord-Minetest Relay
archfan7411

Mod + external program providing Discord relaying and commands.

Playtime Recorder
Lejo

Use /playtime to get the time you played

Handle Schematics
Sokomine

A library to make creating and placing saved areas easier.