Valentine's day
Luke

Adds valentine cards

Decraft
iarbat

De-craft items with the decrafting workbench.

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

flux's worldedit maze generator
fluxionary

a command to create 2d mazes using worldedit.

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

crouched
Giga_M

the player crouches

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Mortar
suhaib

Adds a mortar cannon

OTP
mt-mods

(T)OTP Verification for player accounts

Direction Compass
APercy

Adds a compass

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

NodeCore Skyblock
Kimapr

Play NodeCore on floating islands!

Fragments
Amaz

A mapgen with a goal, with things needed to advance to the next level.

Extra Stone Utilities
XxCrisThor1012xX

Adds new uses of stone

Level API
Hypernoot

A library for games to load levels defined as schematics

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

ColorBrewer palettes for cartography
pauldpickell

8-bit ColorBrewer palettes texture pack

Better Bookmarks
jkoop

keep location bookmarks, like /sethome

Lootboxes
Jose_ManuelS18

Adds lootboxes to dungeon loot.

Bed Vote
ergolyam

Skip night when a configurable percent of players are in bed. Compatible with Mineclonia (mcl_beds) and Minetest Game beds.

Old Wizard Font
Pyrollo

OldWizard font for Font API

Advance ore API
Sere Motsatt

Create complex minerals the easy way

Nyancat's heaven (reworked)
Hybrid Dog

Adds a nyanland in the sky

Mob BiomeDb Mapper
Neuromancer

Allows mobs to spawn in biomes that don't support them (Using info from BiomeDb)

Aliases
Flay Krunegan

Change playername in the server.

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

Personal Bookmarks
AntumDeluge

Allows players to create a limited number of personal bookmarks to where they can teleport.

More posibilities how to kill mobs/players
SFENCE

Add more posibilities how to kill mobs and/or players, like traps, throwable TNT, etc.

Kill History
LMD

Adds a kill history

Bows
AiTechEye

A easy bow mod with arrows

3D Armor Mobile
LandarVargan

Adds a command to bring up a formspec that allows mobile users to put on armor

L-System Tree Utility
Wuzzy

A form to easily spawn L-system trees, aimed at mod developers.

Limited Lives
Xenon

Limits the times players can die.

More Coral
Nathan.S

Adds coral in more colors.

ServerDrop
TX_Miner

Provides an airdrop mod.

PvP Control
mike.monkeybiter

Allow players to set their own ability to hurt or be hurt in PvP, by chat command or by pressure pads. Nametag colour changes to reflect status.

resurrection cross
Giga_M

add resurrection cross

Good Sneaking
zempik10

Makes the player have better sneaking.

Simple Dice
farfadet46

Simple dice for little games ;)

Point Teleporter
Wuzzy

Adds a short-distance teleportation device which allows the user to instantly change the position in front of a pointed node.