Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Libox Controller
frogTheSecond

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

Player Nametags
LMD

Adds player nametags floating above players.

Mystic Runes
liteninglazer

Adds runes which can be used to craft powerful items.

Agree rules
AiTechEye

Agree rules or be kicked

Prop Hunt Modpack
Jo5629_

Transform into nodes and with a minigame.

Moth
iarbat

Adds moths which can send messages (from Lord of the Rings)

Global Market
AFCM

Market command

Mesecons for Hades Revisited
SFENCE

Use https://content.luanti.org/packages/Jeija/mesecons/ instead. Adds digital circuitry, including wires, buttons, lights, and even programmable controllers for Hades Revisited.

NodeCore Flood
Hussell

Water floods caves

Red Pockets
1F616EMO

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

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Death Swap
Jo5629_

Switch places with someone random.

Atriumic
Firekiller

Adds a new biome, new blocks, new armor and more.

NodeCore Sharks
GreenXenith

Hammerhead "sharks" for NodeCore

PuzzleMap
Warr1024

Puzzle/Adventure Map System using Node Protection Mechanic

More Coral
Nathan.S

Adds coral in more colors.

Tool Crafter
508linx

use any posible material craft tool in crafttable

Cassette Mod
The Pamps

Adds jukebox compatible cassettes.

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

Flow Extras
lazerbeak12345

An experimental collection of extra widget APIs for flow

Cube Nodes
Andrey01

Adds colorful blocks with various symbols as letters, digits, punctuation, emoji and special signs.

My Item Chest
Don

A chest that spawns different items

Splink Storage
Yoreni

Adds items that can store massive amounts of other items in your inventory

action queues
fluxionary

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

Goxel Tools
MisterE

Allows using goxel to create Luanti builds. Saves a palette of node colors for import into Goxel and allows importing Goxel models made using said palette.

Bubbles
niwla23

Adds bubble machines

Quikbild
MisterE

quikbild Minigame

Server News
Shara

Minetest mod to show server news when players join

rcsv
Wuzzy

RFC-4180-compliant CSV parser and writer

Orecutting
bell07

Ore mining helper

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

TransCryptor
Flay Krunegan

Text to Binary, Binary to Text, Text to Morse, Morse to Text, Binary to Morse, Morse to Binary.

Personal Bookmarks
AntumDeluge

Allows players to create a limited number of personal bookmarks to where they can teleport.

Minetest Teams
pl608

simple multiplayer team system

Serverguide
AiTechEye

The serverguide

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

Blink
0siribix

Short distance teleport

LocalChat
qPexLegendary

Adds local and global chat

evolving_pickaxe
Neocraft1293

a mod that adds a pickaxe that improves when used