Magma Conduits
FaceDeer

Removes default mapgen lava and adds widely-spaced vertical lava "veins".

Alien Material
debiankaios

Adds new blocks, items, and tools from aliens. A new time begins.

Abritorch
mt-mods

multicolored torches

C Doors
TumeniNodes

Adds centered doors and villa-style windows.

Ephesus
Horka

Added ancient architectural blocks from the Mediterranean

Christmas Tree
ExeterDad

Adds a decorated indoor Christmas tree with wrapped gifts.

Boost Cart
Krock

This mod offers improved minecarts and a few more rail types.

Coconut Trees
Neuromancer

Adds coconut trees with edible coconuts & thatch blocks

Angled Walls
TumeniNodes

Angled & Sloped Walls, Angled Glass, & Angled Doors

Brick Walls
philipmi

Adds brick walls from different types of bricks.

Pigiron
TenPlus1

Adds pig iron ingots which need to be crafted to make steel, also blocks and stairs.

Astralcraft
EmptyStar

Adds shooting stars and and related items to Luanti worlds

Gems Battle
MisterE

Bedwars-like team battle minigame

More Pickaxes
Koda_

Adds additional pickaxes to the game

Inventory Plus
TenPlus1

Simple Inventory replacement

Wet Mud
Nicu

Hydrates farmland without using water directly

Turret
Giga_M

adds a defensive turret

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Stripped Trees
1faco

Adds Stripped tree trunks.

Invisibility Potion
TenPlus1

Craft a potion to make yourself invisible

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

My Scaffolding
Don

Scaffolding to help you reach high places

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

NextGen Bedrock
StarNinjas

Adds an indestructible bedrock layer at the bottom of the world.

Nettles and Other Weeds
Hypernoot

Nettles spawning on junky plots

XP Redo
mt-mods

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

Transporter
mt-mods

Adds a configurable technic-based transporter, with bookmarks and many options

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

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.

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Portable Chests
Bob64

Portable chests you can pick up even when there are items inside.

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

Etherium Stuff
alerikaisattera

Decorative stuff using ethereal's etherium dust

Moonflowers
karlexceed

Adds a rare pale blue flower that glows faintly in the darkness.

Cones: Traffic and Training Cones
ClassicAdam

Cones. Various use traffic cones and training cones. 3 sizes, 10 colors, 30 cones in total.

Aqua Farming
Clyde

Farming under Water, now it's possible.

Quarry Mechanics
kestral

Adds quarry mechanics to stone nodes.