Complete and Total Lua-Only Inventory Rewrite
Noodlemire

Creates a completely custom inventory system, which doesn't rely at all on any of the usual UserData objects.

MineClone 5
kay27

A fork of MineClone 2 with no release milestones, rapid delivery, merges by one approval and no MC target version limitations

i3
jp

A next-generation inventory

Void Chest
MeseCraft

Access your belongings anywhere by using the power of the void chest!

You Can't Touch It Either
Avicennia_g

Simple mod adding lockable storage shelves to Nodecore.

Base Gameplay Modpack
karlexceed

This combines several other gameplay mods that I consider useful.

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

vexcazer
AiTechEye

Ultimate build+mine & admin tool