What is This? UwU
Rotfuchs-von-Vulpes

That shows at the top of your screen what you're looking at.

HUD bars
Wuzzy

Replaces the default health and breath symbols by horizontal colored bars with text showing the number. Extensible.

Playerlist
Fleckenstein

Show a list of all online players (similar to minecrafts tab-list) when a player is sneaking.

Mudsling
Avicennia_g

Inverted-direction player slingshot

Ad Removal for NodeCore
Warr1024

Removes all ads from NodeCore

Hunger NG
Linuxdirk

Hunger NG is a mod for Minetest adding a very customizable and easy to extend hunger system.

HUD Notify
ANAND

Shows a message to a player in-game, by means of an HUD element.

Xmaps
erlehmann

Adds map items that show terrain in HUD

Oretracker
ApolloX

For tracking what ores are around the player.

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.

Just Zoom
Alib234

Allows you to just zoom at any time

Minimap Radar
OgelGames

A simple mod that enables the use of the minimap radar with a craftable item

HUD Compass
kestral

Optionally place a HUD compass and 24-hour clock on the screen.

Mobile Crosshair
GreenXenith

It's a crosshair for mobile.