Chest Tools
Sokomine

Shared locked chests with bag support and quick inventory access

Engravings
Taren

Adds multiple engraved blocks and benches to make them.

Free Stuff Generator
AiTechEye

junk has never been so coveted!

Node roads
MatyasP

Add much of one-node roads and crossroads, road bridges and slopes

Cassettes
X-DE

A mod that adds cassettes and a cassette player.

My Display
Don

A way to display items

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

monster_api_gb
Giga_M

add an api to create bosses

Aqua World
NovaX

Generate an underwater world with deep water, sand, and sandstone.

musketeers & rifles
Raymoo Hakooray

one shot, one down

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Cthulhu eye boss
Giga_M

Cthulhu eye boss adds

Movement Essentials
Daniel

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

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Ufos
mt-mods

adds a ufo for flying around in

Technic use Battery
1F616EMO

Use energy from RE batteries in the inventory

Top players
Giga_M

Adds a kill, deaths, and kd counter to players.

summer
ulla

SUMMER

Ores Expansion
Groin

Adds a new ore ( for now ) called "Rozeemerald".

Fake Fire
Semmett9

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

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

doorbell
Miniontoby

A doorbell mod with sound

Handholds
Shara

Adds a climbing pick which creates handholds in stone, desert stone, sandstones and ice nodes.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

New Biomes
Arkatron

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

3D Armor Mobile
LandarVargan

Adds a command to bring up a formspec that allows mobile users to put on armor

Bamboo
AwesomeDragon97

Adds bamboo which generates in jungles and can be used as a crafting ingredient.

Pink Lava
TenPlus1

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

Anarglass
VerdiSchubert

Some kinds of glass nodes

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

Good Sneaking
zempik10

Makes the player have better sneaking.

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

Hoverboard
mazes

Hoverboards

sfinv++
swagtoy

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

My Default Lights
Don

Simple lights made from default material

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Moss Carpets
alerikaisattera

Moss carpets based on Ethereal mosses