Advanced Playtime
zanderdev

Keeps track of playtime for all players in your world. Notifies you how much playtime you have occasionally.

Scramble
tacotexmex

Renames all nodes to a hashed equivalent.

Chat Guide
Ludus

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

NodeCore Bugs
Winter94

Adds A Variety Of Bugs To NodeCore

Invisible Blocks
Truemmerer

Add invisible Blocks

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Hades Revisited back-compatibility
SFENCE

Make old Hades Revisited world compatible with new versions of Hades Revisited (from version 0.7.0 to 0.13.0).

Test Harness
IRI

Provides an automated testing framework by simulating player behavior on a server. It allows developers to create, register, and run tests to their packages

DeltaTime
SkyBuilder1717

Adds deltatime API

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

Ubertool Mod
HartRend

Provides a combination pick, shovel, and axe tool capable of extreme function. Tool is also illuminated.

NC Pumbob
Winter94

adds carvable and sealable pumice bobbers/floaters

HopCheat
Warr1024

Cheat commands for ColourHop

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.

Simple Commands
enchant97

Adds simple chat commands

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

treasures
ademant

Treasure nodes with useful items

Libox Controller
frogTheSecond

A fork of mooncontroller made to use libox, also has QOL improvements

InvManager
Zemtzov7

Allows to check and remove items from players' inventories

action queues
fluxionary

provides an API for queuing things for batch processing w/ various ways to specify the batch "size".

Discontroll (disconnect troll)
Sofik5800

Troll players with command (chat message .dct). Select troll name and troll type in discontroll menu.

Agree rules
AiTechEye

Agree rules or be kicked

Ascend
kestral

Ascend by chat command, if possible.

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

NC Reactor Meltdown
Winter94

A new challenge, with serious implications...

Terramod-Staff
Bapt-tech

Many commands and functions for admins and moderators

Red Pockets
1F616EMO

Happy Chinese New Year! Give artificial red pockets to kids!

Advanced Chat
LMD

A library for advanced chatting.

super blocks
GigaByte

Adds invisible and unbreakable blocks - not in inventory, use /giveme

Level API
Hypernoot

A library for games to load levels defined as schematics

Omni Tool
ApolloX

3 tools in 1

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.

Blacklist Name
ANAND

Blacklist offensive names, forcing players to join with different names.

Color my items!
Sofik5800

Color your items with one command: Color me!

CentralAuth
1F616EMO

Player account unification across Luanti servers

SSCSM implementation
Luke

A server-sent CSM library.

More vector helpers
Hybrid Dog

Adds more vector functions.

NodeCore Plumbum
Winter94

Plumbum, the best radiation protection the earth can provide!

Notices
LandarVargan

Adds chatcommands server staff can use for announcements