Face Objects
1F616EMO

Calculate the facing of objects

UFO Ship
wsor4035

adds a ufo for flying around in

Rocket Launcher
Zemtzov7

Rocket launcher using MT's tnt.boom function

Edit Skin
Johannes Fritz

Advanced player skin customization

Discrete Player API
Hume2

A library for games which attaches players to node grid

3D Armor Flyswim
sirrobzeroone

Adds Flying and Swimming animations to base character model for 3d_armor

Library Mount
Panquesito7

API Framework for mounting objects.

Advanced Weapons
LMD

Adds a variety of advanced weapons.

Skinmaker
GreenXenith

In-game live player skin editor.

Spectator Mode
jp

A mod for Minetest allowing you to watch other players in their 3rd person view.

Emote
sofar

Provides player emotes and an api to make the player model sit, lie down and perform other actions.

SkinsDB
bell07

Custom player skins manager with support for 1.0 and 1.8er skins and inventory skins selector

Vehicles
D00Med

A mod that adds an api for cars, planes, and other vehicles.