Get Biome Data
ROllerozxa

Get biome data from core.get_biome_data

Metatool
SX

Provides API to register node metadata tools along with few useful tools

Exploding Chest
Coder12

Api-mod to allow containers like chest to explode if it contains explosive materials.

RandomTP
Bapt-tech

creates /rtp command and allow you to create your owns random teleport places

Fix floating sands!
1F616EMO

Avoid hanging sands and gravels

Subspacewalker
bell07

Go trough walls, rock or lava using Subspace Walker tool

Advanced Breath and Health APIS
liteninglazer

Creates APIS to allow different players to heal health and allow different players to breathe different items.

Hexadecimal Colours
erov

Adds nodes with colour palattes for each 3 character hex value like #fff

Chat guide
Ludus

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

Wield Events
mt-mods

Events for wield item switching

Latency Protection
Coder12

Latency protection attempts to prevent players from glitching through protected nodes. By either teleporting the player or damaging them.

Markdown Poster
Thresher

Adds a markdown variant to the signs mod (from display modpack)

Color my items!
Sofik5800

Color your items with one command: Color me!

Old Wizard Font
Pyrollo

OldWizard font minetest mod for font API

Chat History
sorcerykid

Interactive chat history viewer with a variety of message filtering options

HL Marker
Flay Krunegan

Teleportation Marker is a unique item that allows players to set and execute teleportation to marked positions with customizable delay times.

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

topluck
Neocraft1293

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

Aratox Anticheat
zanderdev

Severside Anticheat. Remove cheaters from your server automatically.

Bunny Hop
Flay Krunegan

Allows players to move faster using a key combination

more_player_monoids
fluxionary

more player monoids

PuzzleMap
Warr1024

Puzzle/Adventure Map System using Node Protection Mechanic

group:any
1F616EMO

Item group applied to ALL items for crafting recipes.

Symmetool
Nigel

Symmetric building tool for MineTest.

Unknown Item
1F616EMO

Add a fake unknown item

Heal
angry_hd1

Fully heal yourself using a command!

DeltaTime
SkyBuilder1717

Adds deltatime API

Unknown Object
1F616EMO

Bring spawnable unknown object to the game

typeof
TPH

Provides functionality similar to Luau's "typeof" function

More vector helpers
Hybrid Dog

Adds more vector functions.

DataMiner
sorcerykid

DataMiner is an analytical tool for server operators with a feature-rich API for customized report generation

Staff Channel
_Xenon

Write messages only to staff

FS51
Luke

Compatibility layer for formspecs

Red Pockets
1F616EMO

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

Day-Coin Vote
Tomlaus

Adds an item that allows you to vote on whether it should become day!

Tradelands
Lunovox

Protection of land on payment of periodic rate.

No More Guests!
kaeza

Stops guest players (ie: Guest1234) from joining your server

Secret
artur99

Adds hidden and secret nodes.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid

Boulder Dig
Neuromancer

Creates gameplay for the game Boulder Dig (inspired by Boulder Dash). Find the boulders and gems scattered throughout the regularly generated world. 2nd option is more densely packed levels.