Mtg Craft Reverser
Hugues Ross

Makes crafting recipes in Minetest Game reversible

WiTT
MightyAlex200

Small indicator to show what the player is looking at.

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Bitwise Operations
sorcerykid

A pure-Lua implementation of common bit-manipulation functions

Classroom
rubenwardy

An easy way to manage students in-game, with support for bulk actions and macros.

Re-Cycle Age
Hamlet

Allows to recycle broken items.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid

Dice
Wuzzy

Decorational dice blocks which face a random direction.

Report
rubenwardy

Allows players to report misconduct or bugs using /report.

Gettime
Emojiminetest

A api to get in-game hour/minute

Card deck
mijutu

Deck of cards and table blocks

Ban Hackers!
Emojiminetest

Temporary ban players or IPs with 5 wrong password attempts

Hedges
Shara

Adds connected hedges that that can be crafted from leaves.

Select Item
Wuzzy

Allows other mods to add a simple form to choose a single item.

Insecure Lua Editor
rubenwardy

Gives each player a virtual filesystem, and allows them edit files and run unrestricted lua code.

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Land Rush
BrandonReese

Chunk-based protection.

Cmd Aliases
rubenwardy

Adds chat command aliases.

Colorscreens
DELTA_FORCE

Decorations that can also be used as an actual greenscreen or other colorscreen.

Symmetric Crafts
louisroyer

Add vertical symmetry in crafts.

Cellular Automata
LMD

Simulates 3D cellular automata

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Envelopes
archfan7411

Write and address an envelope to another player!

Ore Info
TwigGlenn4

Show ore depth and rarity.

Falling Dirt
karlexceed

Makes dirt nodes fall just like sand and gravel.

Advanced Rangefinder
sorcerykid

Extends the Minetest API with search capabilities for entities

Unknown Item
Emojiminetest

Add a fake unknown item

Enable sneak glitch
Krock

Enable the sneak glitch again!

Item Snatcher
TestificateMods

Makes the apple snatcher from Wuzzy's tutorial game available as a standalone item.

Staff Channel
_Xenon

Write messages only to staff

Breadcrumbs
FaceDeer

Path marker signs for use when exploring a twisty maze of passages that are all alike.

Symmetool
Nigel

Symmetric building tool for MineTest.

NodeCore Snakes
Kimapr

Sneaky snakes in NodeCore!

Editor
rubenwardy

Flexible formspec based text editor

Infinity Color
Emojiminetest

Add color block that can change color freely

Unknown Object
Emojiminetest

Bring spawnable unknown object to the game

Node Damage
Noodlemire

Enables nodes to be partially damaged, and to be repaired afterwards.

DataMiner
sorcerykid

DataMiner is an analytical tool for server operators with a feature-rich API for customized report generation

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!

Chat Record
Emojiminetest

Record chat messages in a file