PerfHUD
Juri

Adds an HUD which shows some performance stats.

Playerfactions Ext
IRI

extension of Playerfactions which adds sub-commands that allow you to teleport, give/withdraw privs and/or items to all members of a faction at the same time or for one player in a faction.

Node Admin
Neuromancer

Admin tool to get node info & dig undiggable nodes

Tune JIT
rudzik8

Tunes LuaJIT parameters to improve server performance by preventing constant GC

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Lush
rstcxk

fully featured shell interpreter

Mesecons Snippet Button
1F616EMO

Execute snippets with Mesecons

Lockout
ApolloX

Late-stage Security for Servers

Snippets Buttons
1F616EMO

More toggles for snippets

Staff Channel
_Xenon

Write messages only to staff

Pencil Redo
1F616EMO

Tool to edit infotext of nodes

Extended Protection
1F616EMO

Extended interaction restriction rule

MT POI Map
beaver700nh

Displays a map with points of interest, for any game (no dependencies).

warn
Neocraft1293

simple mod to warn players

ServerDrop
TX Miner

Provides an airdrop mod.

Terramod-Staff
Bapt-tech

Many commands and functions for admins and moderators

Chat Anticurse
lag01

Kick player out when they type a curse word in chat or using /me or /msg command.

Better Commands
ThePython10110

Adds commands and syntax from a certain other voxel game

InvManager
Zemtzov7

Allows to check and remove items from players' inventories

Localized Server News
ronoaldo

Display localized server news when a player joins

Lua Button
Zemtzov7

Button that executes custom lua code on rightclick

Luablock
LC Creations

Adds blocks that can execute lua code. Admin purposes only.

Advanced Rangefinder
sorcerykid

Extends the Minetest API with search capabilities for entities

Server News
Shara

Minetest mod to show server news when players join

Interact
Amaz

A mod that gives the interact priv to players who want it and who have agreed to the rules.

Luarocks Wrapper
lazerbeak12345

Securely Wrap Luarocks packages without needing trusted mods.

Invisible Blocks
Truemmerer

Add invisible Blocks

Temporary Passwords
1F616EMO

Assign temporary passwords to accounts

Caps Alert
ANAND

Catches chat messages with all-caps and warns / kicks players.

liquid restriction
wsor4035

restricts liquid use to a privilege

Matterbridge Player Events
cj_clippy

Sends a message to the matterbridge when a player joins/parts

Server Logs
Impulse

Shows server logs to privileged users

YL Ticker
AliasAlreadyTaken

Displays messages once per timeframe

filter++ lib
rstcxk

provides an API for filtering text

Death Timer
Mathias

Timer that adds a delay between deaths.

Grant interact on chat
1F616EMO

Grant newcomers interact only after they speak

Scramble
tacotexmex

Renames all nodes to a hashed equivalent.

Bounty
csirolli

Place bounties on players

2-Factor Authentication
sofar

Adds server and player email confirmation to add an extra layer of security (2FA)

MineTest FileManager (MTFM)
Zemtzov7

Formspec-based file manager with text editor and image viewer