Persistent Effects
epCode

An API for creating persistent effects for any object. eg. damage a player or entity over time. (like poison)

group:any
1F616EMO

Item group applied to ALL items for crafting recipes.

bug command
fluxionary

adds a command that submits a bug report to a github repo.

Web chat
seckl

Makes the in-game chat accessible through a web browser.

Bitwise Operations
sorcerykid

A pure-Lua implementation of common bit-manipulation functions

One death
SFENCE

This allows players to die only once. The world can be destroyed after it (default for single-player) or the player can lose privileges to interact with the world and others (default for multi-player)

WillAdmin
WilLiam12

Tools for server admins to ban and kick bad players.

Real Compass
kestral

A simple compass that only points north.

Minetest Systemd (API)
Piezo_

Debugging utility and compatibility tools for server owners and/or modpack creators

blueberry_juice
MR_breaddz

blueberry juice

Usable Nodes
Volik

Adds usable nodes, such as kill block, or move block.

@-Chat
orwell

Adds an alternative Private Message (PM) system

Metadata Inspector
1F616EMO

Inspect or modify metadatas of a node

Autograph Mod
Jo5629_

Autograph Mod

Go
LMD

A game of Go

Face Objects
1F616EMO

Calculate the facing of objects

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

Virtual Key
louisroyer

Adds virtual keys registerers.

Bounty
csirolli

Place bounties on players

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Signs Redux
sorcerykid

Signs Redux is a complete rewrite of default signs that adds many new features

VPS Blocker
Lejo

Block players using vpns, proxys or other hosting services

AntiSpoof
1F616EMO

Preventing confusable usernames

Obdy
Sires

Adds some pretty OP tools :)

IRC Commands
ShadowNinja

Control your server from IRC

Map Cursor
Blocky Player

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

Unknown Object
1F616EMO

Bring spawnable unknown object to the game

filter++ lib
rstcxk

provides an API for filtering text

Chat Filter
xXNicoXx

Minetest Chat Filter a simple but usefull minetest chatfilter mod made by xXNicoXx

Smart Vector Table
Noodlemire

API that adds a way to create tables indexed by 3D Vectors.

Dialog Redo
1F616EMO

Flexable dialog API

Lift On Joinplayer
luarocks

Lift player up on login until he has no air block under his legs.

Stent
AFCM

A formspec based arena entrance type for arena_lib

player actions
GigaByte

shows the actions of a player

Temp Privs
ChimneySwift

Overwrites the default grant, grantme and revoke chatcommands to add revoke or grant expiration.

Element Exchange
enchant97

Exchange nodes into other nodes

Beamer
Clyde

Beam items or nodes from your inventory to the inventory of your friend.

rPlace Analysis GUI
1F616EMO

Formspec GUI for rPlace Analysis

Respawn Timer
LMD

Forces players to wait a set duration before respawning

Multiblock Lib
Mindcool25

Multiblock structure handler