Airtanks
FaceDeer

Provides pressurized air tanks for extended underwater excursions

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

Castle Weapons
FaceDeer

Provides several medieval weapons for use around castles

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

You Can't Touch It Either
Avicennia_g

Simple mod adding lockable storage shelves to Nodecore.