Playerlist
Fleckenstein

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

Mineclone2 Spyglass
NO11

This adds a spyglass, which is an item that can be used for zooming in on specific locations.

HUD bars
Wuzzy

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

Witt 2(What Is This Thing)
pevernow

Witt can display the name, source module and details of the target that any player points to.

Mudsling
Avicennia_g

Inverted-direction player slingshot

Minimap Radar
OgelGames

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

Oretracker
ApolloX

For tracking what ores are around the player.

HUD Compass
kestral

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

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.

Hunger with HUD bar
Wuzzy

This mod adds a simple hunger mechanic (plus HUD bar) to the game. Eat food to avoid starvation, be sated to regenerate health.

Hunger NG
Linuxdirk

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

HUD Timers
LMD

A lightweight library for adding hud timers.

Armor HUD bar
Wuzzy

Adds a HUD bar displaying the current damage of the player's armor.

WorldEdit HUD Helper
Starbeamrainbowlabs

Displays the name of the node you're looking at & your rotation in your HUD. Banish the debug text forever!

Inventory Icon
Wuzzy

Shows a backpack icon in the HUD, which shows how many slots are available and free in the player inventory and equipped bags (if available).

mTimer
Linuxdirk

Ingame timer for showing current playtime, current day time, ingame time, etc.

Time, Lag and Position HUD display
orwell

Displays some information in the bottom-right corner of the screen.

PosTool
SwissalpS

Adds a HUD to show current ingame time and position also tool to visualize map-blocks

HUD Analogic Clock
apercy

Adds an analogic clock to hud

advmarkers
luk3yx

Allows you to create and manage markers/waypoints.

Inotify
ApolloX

A notification tool for players in-game.

Kill History
LMD

Adds a kill history

WiTT
MightyAlex200

Small indicator to show what the player is looking at.

HUD Notify
ANAND

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

MoreInfo
nixnoxus

Adds various infomation

Basic HUD textures
Wuzzy

Adds basic but neccessary HUD images: Heart icon, bubble icon, … (for game authors)

HUD Title
Miniontoby

A HUD Title mod