Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Mesecons Soundblock
nitro2012pl

Mesecons Soundblock

Prefab Redo
cheapie

Cheapie's version of Dan's old prefab mod, which adds pre-fabricated concrete elements: catwalks, benches, ladders, railings...

NodeCore Fossil
Winter94

Discover fossils, oil, natural gas, amber, and more!

ATM for Unified Money
1F616EMO

Take your money into physical currency

LWColorable
mt-mods

Various colorable decorative blocks.

My Flooring
Don

A basic set of flooring

Molten Sailor by Dokimi
CalebJ

Boat for sailing on lava, suit for diving in lava.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Raids
DragonWrangler

Allows server owners or server admin to start mob raids to attack settlements or players

Decraft
iarbat

De-craft items with the decrafting workbench.

Interactive Item API
Jose_ManuelS18

Provides an API to make it easier to implement items' inner workings.

Claymore
GigaByte

adds a powerful sword capable of deforming the ground

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Complete and Total Lua-Only Inventory Rewrite
Noodlemire

Creates a completely custom inventory system, which doesn't rely at all on any of the usual UserData objects.

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

DragonEggLock
mi.sh

You can lock a Dragon Egg so it doesnt teleport away

Object UUIDs
Silver Sandstone

Assigns a persistent UUID to every object.

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

Mesecons Microphone
Maverick2797

Chat-toggleable mesecons node.

Diggable Chests
Kimapr

makes chests, furnaces and such diggable even if not empty

Fire extinguisher
SkyBuilder1717

Adds fire extinguisher, which can extinguish some fire

Color Armors
WINNIE

Colorful Armors :)

Colored Strings
Alib234

Adds colored strings and allows to create wool from 4 strings and viceversa

Hidestone
shaft

Adds a stone that can hide up to 100 blocks.

Interchangeable Hands
octacian

Demonstration of Minetest's capability to dynamically change the player hand.

Pizzas and cakes - pack 1 (square)
MatyasP

add square pizzas, pack 1

Leather Armor
X17

Adds an armor made of leather

Ubertool Mod
HartRend

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

Atium
GenesisMT

A strange a ore with tools.

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Angle Grinder
Warr1024

Snap camera to discrete angles

Aliases
Flay Krunegan

Change playername in the server.

Knives
ApolloX

Adds various knives with extreme damage

Uncrafter
JoeEnderman

Adds an uncrafting table

MT Block and Asset Pack
ClassicAdam

Variety of blocks and other mesh nodes.

Cartographer for Repixture
Hugues Ross

Adds regional maps that you can craft and place (Repixture version)

Playerfactions
mt-mods

A simple mod which allows player created factions. Not very useful on its own, it becomes very powerful when combined with other mods.

NodeCore Pottery
Winter94

Adds clay and ceramic items and nodes to NodeCore