New Biomes
Arkatron

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

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

Leather Armor
X17

Adds an armor made of leather

Ubertool Mod
HartRend

Provides a combination pick, shovel, and axe tool capable of extreme function. Tool is also illuminated.

Atium
GenesisMT

A strange a ore with tools.

Bloodmagic2
mt-mods

The successor to bloodmagic.

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Realm Lamp
GenesisMT

A rainbow gradient block for decoration and with differents speeds.

Additional Gravel
Hordeking

Adds overgrown gravel, similar to mossy cobblestone.

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Hbdrunk
UnchainedDevelopment

Adds intoxication effects and HUD bar to display intoxication level.

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

Magma
SuperStarSonic

Adds volcanoes, lava vents and new magma blocks

Tree Particles
SuperStarSonic

Adds particles of falling leaves when you punch a tree

Portal Rail
BigBear

Minecart rail that teleports exactly 500m in direction of travel

LW Wires
mt-mods

Wires and bundle cables.

More Upgrade Packs
nolombic

Upgrade your upgrade packs so you can have even higher stats!

Shears
Atlante

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

Better Ice
TheFanne

Modifies ice so that it melts into water when broken, and will be melted by torches

Technic Grass Clean
1F616EMO

A tool like chainsaw, but cut grass, not tree.

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

Travelnet Redo: Beacons
1F616EMO

Travelnet components in Telemosaic style

GC Gamemode
stellarorion

Easily switch between the survival and creative inventory

Floating Anchor
Starbeamrainbowlabs

ExtraUtilities' Angel Block for Minecraft in Minetest! Place structures in mid-air with ease.

computer
GigaByte

Add a computer with basic functions.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Falls
Just_Visiting

A Particle-based Waterfalls/Lavafalls Mod

monster_api_gb
GigaByte

add an api to create bosses

Hoverboard
mazes

Hoverboards

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Poly Decor
mt-mods

My spin on decorative stuff.

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

My Stone Paths
Don

Stone paths

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.

My Treasure
Don

Adds treasure chests around the world

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

My Slopes
Don

MySlopes

Avanti Savoia!
JetpackJackson

Adds WW1 stuff, I guess?