World Borders
argyle

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

Respawn Kit
Deadlock

Adds a "respawn-kit"-Chest. A Copy of everything you put in it, will be given to you on respawn. (With configurable Black/White-List)

My Wood Slopes
Don

Make slopes with wood blocks.

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.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Kill history hud
Giga_M

adds a death history on the screen

itemshelf (Fork)
nac

Generic item shelf with 3D items on display

Scripted World Editor
Neuromancer

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

Top players
Giga_M

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

Frames
opfromthestart

Frames from Technic since it was removed.

TerraContent Corruption
AirplaneMan

Adds the Corruption

Assets_Warehousepart2
JALdMIC

Part 2 of Assets_Warehouse

doorbell
Miniontoby

A doorbell mod with sound

Impenetris
AirplaneMan

The hardest rock on all of the worlds (except for bedrock)

Time Stone
j45

This mod adds 2 single use stones, a day stone and a night stone, the day stone turns time to sunrise and the night stone turns time to sunset.

Atium
GenesisMT

A strange a ore with tools.

Technic Transporter
Fruitsnack

Mod that adds a technic-powered HV transporter

Dirt Tunneler
Neuromancer

Makes dirt deeper and you can tunnel through it just by walking through it. Press spacebar/shift to tunnel upward/downward with auto placed ladders.

My Default Lights
Don

Simple lights made from default material

Batmod
Don

Fun mod that is about bats

My Regen Chest
Don

Spawns items when opened and will not again for determined amount of time

Plasterwork
Sokomine

Add colored plaster coats to nodes

Area-Locked Chests
1F616EMO

Locked chest that check protections

Carrying
Zeralyth

Adds carrying players around.

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Tungsten Carbide
RemainderTheorem

Adds tools made from tungsten carbide that are more durable.

Quarry Link
gabriel1379

Enables use of Quarry Mechanics with the stone-like and resource-nodes of other mods.

Echos of the Unsaid
timm

turns silence and stillness into progression. made with copilot see long description for more details

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.

Scraps
Goops

Allows to recycle metal tools

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

golden lava
Giga_M

add golden lava

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Dementia Mod
tommyaweosme

tries to simulate dementia in luanti

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Underground Survival Lighting
Arkatron

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

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Prop Hunt Modpack
Jo5629_

Transform into nodes and with a minigame.

trashbin
bookgirl

simple /bin and /trash item delete UI.