Skeletons
SFENCE

Add player and some animals skeleton to your game.

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

new minerals
Giga_M

new minerals for armor and tools

Obsidian Swords
Dragonop

Adds the Obsidian Dagger, Sword, and Longsword. Also Obsidian tools, for completeness.

Death Compass
FaceDeer

A compass that points to the last place you died

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

Lifesteal Mod
Jo5629/IMDman56

Provides a lifesteal mod into Minetest.

Armor Expanded
Crystalwarrior

Expanded armors for 3d armors

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.

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

NucleoTest
LissoBone

Battle Royale-like game. Provides an API and a reference implementation. Highly radioactive. Work in progress.