Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Abritorch
mt-mods

multicolored torches

Underground Survival Lighting
Arkatron

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

Technic Recycle
DumbDave961

Recycling recipes for Technic items.

Prefab Redo
cheapie

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

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Useful Contraptions
theFox

Some useful contraptions / machines.

sfinv++
swagtoy

Improves the inventory, and fixes some formspecs throughout some mods.

Mesecon Register Circuits
marek

Adds Latch and Flipflop circuits.

Lighting Rocket
lag01

For temporary lighting large areas

Castle Storage
FaceDeer

Contains storage containers one might find contained in a castle.

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

World Borders
argyle

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

Medieval (Fork)
DragonWrangler

an addon to darkage

Sneeker
AntumDeluge

An explosive nuisance.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Alien Tools
chaosomnium

Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc

Ice Machine
cheapie

A machine that makes ice cubes.

Candy
Kostivar

Adds candy which you can make from candy ores.

Technic use Battery
1F616EMO

Use energy from RE batteries in the inventory

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

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.

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Slot Machine Mini-games
mt-mods

Provides an "engine" to drive simple slot machines (includes two). Spins reels, takes in/pays out in Minegeld (Dan's currency mod), etc.

Shifter Tool
jwmhjwmh

Adds a tool for moving nodes as pistons would

More Coral
Nathan.S

Adds coral in more colors.

Uncrafter
JoeEnderman

Adds an uncrafting table

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

moneybag
GigaByte

add money bag

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Rainbow Source
Shara

Adds coloured water.

Color Blocks
mt-mods

Contains colored building blocks.

obsidian
GigaByte

more uses for obsidian

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

Mesecons Microphone
Maverick2797

Chat-toggleable mesecons node.

Bed Jumping
playduin

You may jump on the bed

Coins
Clyde

Adds 3 kind of Coins to your game

Movement Essentials
Daniel

Adds umbrella for slow fall (hang gliders), consume mese crystal to recall (return to spawn), and throw fragments to teleport.

Advanced Biome Decoration Modpack
EmptyStar

A collection of advanced biome decorations