Mapsync
BuckarooBanzai

Synchronize the ingame map with a lua-backend

SnowLite
monk

Adds a light snow fall effect, with toggle commands

Antigrief
sorcerykid

An API for validating node and item placement via a simple callback mechanism.

Light Tool
Extex

Adds a tool and api that creates beams of light

Sway
lazerbeak12345

A simple inventory that makes use of Flow forms.

Directions
1F616EMO

Lines laying on the ground to guide directions

Simple Playerlist
Fruitsnack

Mod that adds a menu to see all connected players

Minetest Email
MrFreeman

Adds email style inboxes

Surprise Blocks
Wuzzy

Randomly spawns surprise blocks closely about ground level.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Ediblestuff API
lazerbeak12345

A unified API for making items, tools and armor edible. Eat armor while wearing it!

resurrection cross
Giga_M

add resurrection cross

TNTTag
debiankaios

A player is holding TNT which is about to explode; they must tag other players to get rid of it

Map Cursor
Blocky Player

Adds blocks like arrows, pointers and signals. For mapmakers who need to point players somewhere.

CTtTranslate – Chat Translator
crisdan99

Automatic translation of chat between players with colors and language labels.

Chromakey
SkyBuilder1717

Adds an chroma blocks for videos or photoshop.

Ruby Tools+
ReinPlayz

Adds ruby ore, ruby tools, and ruby blocks balanced around diamond-tier gameplay.

YAML Config File Library
snowyu

Load or Save YAML config file

Tune JIT
rudzik8

Tunes LuaJIT parameters to improve server performance by preventing constant GC

Chat Guide
Ludus

A virtual assistant that helps players with tips, guides, and useful information.

Edutest Chatcommands
zeuner

Provides chatcommands for the educational staff.

Random API
TheFanne

Provides a simple-to-use framework for selecting random objects with probabilities

Mese Stuff for Minetest Classic
Ludus

Don’t Mese around with ordinary materials!

Tasks Framework
AntumDeluge

Framework for adding tasks & quests.

Superpickaxe
Hybrid Dog

A tool to remove any pointable node and reveal debug information

Colored Leaves
Otto

Adds several colors of leaves

Obdy
Sires

Adds some pretty OP tools :)

Resource Crops Evolved
Jolesh

Adds new recipes for Resource Crops to make a progression through them possible

Interest for Unififed Money
1F616EMO

Grow your assets over time

Refill
1F616EMO

Refill your hand slot after using up all items in that slot

Technic Transporter
Fruitsnack

Mod that adds a technic-powered HV transporter

Kits
Pyu

An API for creating kits

itemshelf (Fork)
nac

Generic item shelf with 3D items on display

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Tdl`s Staffs
tdldaboi

Adds elemental staves to the game.

Diamond Arts
Teltalila

Adds decorational fake diamond blocks.

Player Settings
1F616EMO

Player-specific settings

Beds for Minetest Classic
MyNameIsKid

Beds for Minetest Classic by MyNameIsKid.

Dirt Tunneler
Neuromancer

Makes dirt deeper and you can tunnel through it just by walking through it. Press spacebar/shift to tunnel upward/downward with auto placed ladders.

Renewable Desert Stone
Emandac

A crafting recipe to craft desert stone.