Perma Time
_Xenon

Allows players to have permanent day/night without changing the game time.

Hovercrafts
AntumDeluge

A fun alternative mode of transport.

In the Fog
Jo5629_

Herobrine has entered your world.

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.

Bricks Plus
X17

Adds different brick patterns

Disable Mob Damage for Advanced Trains
Silver Sandstone

Prevents trains from damaging mobs.

Tower Defense
CBugDCoder

The Tanks are coming. Are you ready?

Etherium Stuff
alerikaisattera

Decorative stuff using ethereal's etherium dust

Turret
GigaByte

adds a defensive turret

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Minimap Radar
OgelGames

A simple mod that enables the use of the minimap radar with a craftable item

Orienteering
Wuzzy

A collection of tools to help you orient yourselves in the world, such as compass, altimeter, etc.

Biospheres
Feufochmar

A map generator generating single-biome islands inside glass spheres.

Fallen Nodes Redo
csirolli

Makes dirt, cobble, snow, straw and cactus nodes fall. Fork of Hamlet's fallen_nodes. May be destructive to existing worlds.

Fireworks Redo
niwla23

Adds some better looking fireworks

GloopTest Pack
GloopMaster

Adds ores, tools, types of glass, a table to the game.

Mystic Stones
michi16bit

Add many mystic stones

Luamap
MisterE

An easy-to-use api for lua mapgens that takes the pain out of mapgen coding. Focus on mapgen logic, not on voxelmanipulation.

Emoji
bosapara

"Emoji" show emoji icon above player with command "/e" or with text smiles in chat like 'o_O'

Entity Modifier
j8r

Modify the model and size of entities, including players.

Blood Splatter
shaft

Blood splatter for players and creatures

Nettles and Other Weeds
Hypernoot

Nettles spawning on junky plots

Spyglass
StarNinjas

Adds the ability to zoom in via a Spyglass

Just Zoom
Alib234

Allows you to just zoom at any time

Oxidizing Copper
StarNinjas

This mod aims to make copper/bronze more realistic by making them slowly oxidize into a bluish/green block when exposed to water.

Simple Fast Inventory Buttons
Wuzzy

Adds a tab to the Simple Fast Inventory on which mods can add buttons for easy access.

Copper Armors and Tools
michi16bit

Add Armors and Tools of Copper (and variant)

NodeCore Steampunk Engineering
Winter94

Steam Turbines, Waterwheels, & More!

Replacer
Sokomine

Exchange/replace nodes with one click.

Pipeworks Hole Removal
Kimapr

Removes ugly "tube holes" from chests, furnaces and the like

Flower Beds
ZenonSeth

Flower Beds for growing flowers

Metallicum
Ludus

The power of Titanium!

Jetpack
Sumi

Adds a jetpack and fuel.

Minertrade
Lunovox

It adds various types of money, exchange table, Dispensing Machines, ATMs in stores.

potal launcher
Soundwavez

Potal Launcher

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

XP Redo
mt-mods

Adds experience, ranks, and doors only accessible to those above a certain rank. Not actually a redo of any mod.

Advtrains Portable Remote Control
Maverick2797

Handheld Remote Control for Advtrains

Medieval (Fork)
DragonWrangler

an addon to darkage

Extra Wool Stuff
Impulse

Adds more wool items and nodes