Forgotten Monsters (Reworked)
PixelZone

Add monsters and bosses to your world...

Mobs Ethereal Bosses
PixelZone

Adds Bosses in biomes from the "Ethereal NG" and "Mineclonia" mods

Tool Crafter
508linx

use any posible material craft tool in crafttable

Zombies4Test ( Reload )
PixelZone

Adding zombies, structures and weapons to your world..

Shulker Box
RasPiManiac

Adds a Shulker box that is like a chest but the items stay in it when you break it.

Boring RPG
Lebedev

New items blocks and other pieces are waiting for you here

CSperson's Simple Pebbles
CSperson

A very simple mod that adds natural detritus. Doesn't do much besides that.

Researcher
EmptyStar

Research items to unlock duplication

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Slimes Redo
TenPlus1

Add green and lava slimes to your world.

Always Greener
Hagatha

A nature & worldgen mod focused on improving MTG's existing natural world & biomes, rather than just adding a bunch of new ones.

Ancient Bones
karlexceed

Adds bones with loot to dungeons.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Sim Trains
Nazalassa

Adds some trains, for use with Advtrains. (advtrains_livery_designer & friends not actually required)

Subway Tracksides
GWLT

Add tracksides for your subway map.

Fire extinguisher
SkyBuilder1717

Adds fire extinguisher, which can extinguish some fire

Lock Replicator
mazes

A tool to replicate locks

Atriumic
Firekiller

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

Better Locks
SkyBuilder1717

Adds locks and locked doors

Fake Fire
Semmett9

Fake fire adds in a block that looks like fire, but dose not have the risk of burning down your creations.

Strange Weapons
Robot10&Scheletor

Adds many strange and improbable weapons

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Mesecons Snippet Button
1F616EMO

Execute snippets with Mesecons

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

3d ores!
Soundwavez

a slick new take on the default ores!

Fake Liquid
SkyBuilder1717

Adds a fake liquids

Collectible Skins
Zughy

Wear and unlock skins

Create your path
Atlante

This mod allows you to create paths with shovels

Teacher: Locked Chests
1F616EMO

Tutorial for MTG Locked Chests

Shears
Atlante

This mod adds a pair of shears to easily cut foliage, flowers, wool etc.

Cozy Lights
SingleDigitIq

Early alpha. Improves the way light sources(torches etc) behave and allows to create huge lights, literal projectors with just a mouse click, light map will be computed for you.

Guns4dWorkbench
Jo5629_

Craft guns and their components with an added workbench.

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Travelnet Redo: Beacons
1F616EMO

Travelnet components in Telemosaic style

Nssm Extra
TenPlus1

Even more creatures to add into your worlds

Badass Mech (or cool mech)
Soundwavez

An addon that adds a badass mech, or “BAM” (this is a cool mech if the name is in any way confusing).

Hbdrunk
UnchainedDevelopment

Adds intoxication effects and HUD bar to display intoxication level.

GC Gamemode
stellarorion

Easily switch between the survival and creative inventory