Advanced Playtime
zanderdev

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

Tungsten Carbide
RemainderTheorem

Adds tools made from tungsten carbide that are more durable.

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

Orecutting
bell07

Ore mining helper

Markdown Poster
Thresher

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

Survival
Nathan.S

Adds several survival related items.

BitChange
Krock

Money items for your world. You can mine bitcoins. Sort of.

Intercept Player Messages
bugbug11

Allows staff to view messages sent directly to players

LCD Font
Nazalassa

A simple font for font_api

Realm Lamp
GenesisMT

A rainbow gradient block for decoration and with differents speeds.

Wire Transfer Terminal for Unified Money
1F616EMO

Digital way of transferring money in Unified Money system

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Horadric cube
Xevin

An artifact that can transmute items

TurtleMiner
BirgitLachner

A Mod to let Kids start programming with a turtle that can move around in the world, and dig and build what the user wants.

NameGen
cronvel

Name generator API.

Equipment Wear
AntumDeluge

Allows tool & equipment wear to be disabled.

Scraps
Goops

Allows to recycle metal tools

City CommodityMarket
X5Dragonfire

Adds simple CommodityMarkets for city's towns etc.

Blood Bane Sword
Blocky Player

OP sword for moderators. In memory of an old teacher, who had a mod similar to this on a private server.

Public Death Messages
Thresher

Adds toggleable and unique death messages for when a player dies

Exile Snow Fun
TPH

Adds throwable snowballs to Exile

Vision Lib
mt-mods

Common library for PolySaken's mods.

Vignette Redo
kestral

Optionally place a vignette filter over the screen.

Moth
iarbat

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

Compactor
alerikaisattera

A Technic based machine for converting certain items into more compact forms

Boots of Swiftness Mod
ClothierEdward

Adds a new pair of boots called the Boots of Swiftness.

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

My Blocks
Don

Special Blocks

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

Inventory Admin
Impulse

Enables admins to manage the inventory of players.

resurrection cross
Giga_M

add resurrection cross

Compression Lib
The4spaceconstants

A library that provides functions to procedurally register compressed versions of nodes.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

New Economy
Aa1a

Add 3 coins in game ( gold , steel , diamond )

Player Settings
1F616EMO

Player-specific settings

Make fighting harder by allow damage to be done to attached player (player in cart, on boat, etc)
SFENCE

Limit defensive potencial of some entities, player can be attached to.

Speedrun Tools
SuperStarSonic

Speedrunning tools for Luanti

Autobuilder
limafresh

Adds a GUI for building cubes with customizable width, height, and length.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Technic Recipes
alerikaisattera

Extra recipes for processing various items with Technic machines