Xmaps
erlehmann

Adds map items that show terrain in HUD

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.

Armor HUD bar
Wuzzy

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

Hunger NG
Linuxdirk

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

HUD bars
Wuzzy

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