World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

action queues
fluxionary

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

Petroglyph Maker
Neuromancer

Create your own petroglyphs on Desert Stone

Fake Liquid
SkyBuilder1717

Adds a fake liquids

Keyevent
DS

Adds an event for when player presses a key.

topluck
Neocraft1293

TopLuck is a plugin that allows you to see your player's luck in real time.

Fake Solids
Holly Mae

Creates fake blocks that can be walked through.

Multiblock Lib
Mindcool25

Multiblock structure handler

Snow for Hades Revisited
SFENCE

Add snow to Hades Revisited via snow cannon.

Advanced Ban
srifqi

Advanced Ban: Ban a player based on its username

Gizmo's Of Carbon Machinations
ThatGhzGamer

Adds various charcoal related items such as a Marvelous Hammer to Compress things, New Gear, New Diamonds, Charcoal and Willow Charcoal.

Metadata Inspector
1F616EMO

Inspect or modify metadatas of a node

Luarocks Wrapper
lazerbeak12345

Securely Wrap Luarocks packages without needing trusted mods.

Select Item
Wuzzy

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

Compression
The4spaceconstants

Uses compression_api to generate compressed nodes.

Cid Music Player
ekl

Plays music

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

NodeCore Frameworks
Crystal Heart

Tiny, decorative addition to frames.

Ptracker
Jo5629_

Track a friend or an enemy with this item.

Brights
_Xenon

Adds bright stuff

Darks
_Xenon

Adds dark stuff

Level API
Hypernoot

A library for games to load levels defined as schematics

Bubbles
niwla23

Adds bubble machines

Block Bomber Mg
MisterE

Blockbomber as an arena_lib minigame

Petards
IlzumiZeminori

Miscellaneous pyro things

Aratox Anticheat
zanderdev

Severside Anticheat. Remove cheaters from your server automatically.

Bouncy Leaves
1F616EMO

Adds bouncy and fall damage reduce effect to leaves

filter++
rstcxk

censors swears in the player chat using the filter++ liberary

Dye Mixer
LRV

This mod removes the mixes of dyes and the crafting recipes that allow you to dye wool and make them craftable in the Dye Mixer.

Chat translate
ksandr

Adds commands to translate chat messages into the recipient's language.

Respawn Timer
LMD

Forces players to wait a set duration before respawning

AntiSpoof
1F616EMO

Preventing confusable usernames

Floof
Momo

Add BicBiomeCraft inspired biomes, tools, and items.

Autograph Mod
Jo5629_

Autograph Mod

Obelisk - Obelisk.jar [Inspired by lizardmeninc Obelisk]
colon

shhh it's here.

Worlanti
SkyBuilder1717

Recreation of the word game in Luanti, with some online features

Anti Exploit
LMD

Protects against exploits

8Segmentdisplayblocks
unacceptium_core

8 segment digital display as blocks

Instabreak
Mint

Instantly break (most) construction blocks.

Auth Redux Lite
sorcerykid

Robust and lightweight authentication handler for use on servers