Edit Skin
Johannes Fritz

Advanced player skin customization

SkinsDB
bell07

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

Headanim
LandarVargan

Makes player heads follow their look direction

3D Armor Flyswim
sirrobzeroone

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

Collectible Skins
Zughy

Wear and unlock skins

Rocket Launcher
Zemtzov7

Rocket launcher using MT's tnt.boom function

Vehicles
D00Med

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

Manny
ElCeejo

Adds Manny from that one Reddit post.

Emote
sofar

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

Skinmaker
GreenXenith

In-game live player skin editor.

SkinChooser
mike.monkeybiter

Open skinsdb by right clicking a node

Advanced Weapons
LMD

Adds a variety of advanced weapons.

Mortar
suhaib

Adds a mortar cannon

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

Spectator Mode
jp

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

Library Mount
Panquesito7

API Framework for mounting objects.