Only a Coin
Deadlock

just a simple coin, to be used as currency

The Grue mod
Majozoe

It is pitch black. You are likely to be eaten by a Grue.

Colored Chat (Server Side Mod)
1F616EMO

Color Your chat message

Nebula Anti-Cheat
JoinNebula

Cheat detection and prevention

Minetest-Telegram Bridge
1F616EMO

Chat bridge between Luanti and Telegram

AFK Protective Kick
1F616EMO

Kick AFK players facing dangers

Playtimes
Neuromancer

/playtimes command lets users see the playtimes & last login time for all users on the server

Troll
niwla23

This adds a lot of commands to troll! Its ver WIP

Insane crafting recipies
Arkatron

Adds special crafting recipies

Hide Coordinates
rudzik8

Hides coordinates for all players who don't have the "debug" privelege

Ancient Runes
spixi

Ancient Runes

NB More Concrete
NameNotQuality

Adds more concrete to NodeCore

Meze
Calinou

A special ore that kills you when mined.

mod utilities
theFox

Providing some utilities that can be used by other mods.

Areas Interlocking Patch
wsor4035

make advtrains interlocking priv respect areas

Quiz - Play Challenge
snowyu

This mod requires players to answer question before they can play. If you answer correctly, you will get a award and continue to play, otherwise you will not be able to play.

Minetest Extended
PetiAPocok

The extended version of the default Minetest Game.

Warning: Non-free media.

Chess
DarkXWolf17

Chess. No rules as of now, only pieces and a board.

scaffolding (flux's version)
fluxionary

scaffolding, to help in building projects.

Stairs Recycle
DumbDave961

Turn stairs into ingots, slabs, or different stairs. Smelt cobble stairs into stone stairs. Highly recommended for Oneblock survival. Based on Simple Recycle by Jolesh.

debuggery
fluxionary

debugging tools for server admins

Skygrid
ROllerozxa

Custom skygrid mapgen.

Manhunt
DarkXWolf17

Play with your friends and enemies in this exciting manhunt game.

Death Cetro
1faco

Adds a Staff thats teleports you to your last death position.

Public Inventory
cd2

Adds a public inventory.

Worldedge
Don

Teleports the player to the other side of the world when they reach the edge.

TP to Death Point
Sadistic Angela

Command to warp you to your death point instantly.

HUD Notify
ANAND

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

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Inventory Cycle
epCode

With sneak+use, cycle rows in your inventory!

Cellular Automata
bobomb

For creating 1D, 2D (including Conway's Game of Life) and 3D cellular automata.

Sumo
MisterE

Sumo Minigame (Arena_lib)

limit_physics_monoids
fluxionary

overrides monoids controlling player physics provided by player_monoids, to limit how big they can grow.

Drop Blacklisted
uyku

"Don't add the specified drop(s) to the inventory when digging"

Tsalagi_letters_modpack
yona

Tsalagi Letters

Lua2Mts
Neuromancer

Allows converting .lua schematics files to .mts files.

Action PVP for CTF
Suzakuu

A 16-32px PVP pack for CTF(Rubenwardy)

No Map
DarkXWolf17

Reject tradition, embrace modernity. For those tired of default MTG maps. Crafting recipes for TechAge hackers available.

Scarlet
sorcerykid

Scarlet is a thin-wrapper library that simplifies the layout of formspec elements.

Death Timer
Coder12

This will force players to wait a specified amount of time on death.