Movement Essentials
Daniel

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

Rainbow Source
Shara

Adds coloured water.

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Magma
SuperStarSonic

Adds volcanoes, lava vents and new magma blocks

Balrog Sword
DragonWrangler

adds a balrog sword

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Bloodmagic2
mt-mods

The successor to bloodmagic.

Sugar
X17

Adds eatable sugar made of papyrus and a sugar block

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Atium
GenesisMT

A strange a ore with tools.

obsidian
Giga_M

more uses for obsidian

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Avanti Savoia!
JetpackJackson

Adds WW1 stuff, I guess?

BingFeng Maidroid
XYChen

An improved version of Maidroid, providing maid robots.

Mesebox
johalun

Mobile storage box powered by Mese

My Stacks
Don

Changes the max number of items in each stack

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Portal Rail
BigBear

Minecart rail that teleports exactly 500m in direction of travel

Cute Pie
Don

Cute blocks

Signlike letters
limafresh

Adds sign-like letter nodes.

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

Node houses
MatyasP

Node houses is a mod by MatyasP that adds one-node block of houses, for crafting using items from mode default.

Color Blocks
mt-mods

Contains colored building blocks.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Maple tree
Duvalon

Adds a maple tree placed during world generation.

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game

Anarglass
VerdiSchubert

Some kinds of glass nodes

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

X-Fangs
Knightech86

This adds sund powerful suits

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

Castle Storage
FaceDeer

Contains storage containers one might find contained in a castle.

Autobuilder
limafresh

Adds a GUI for building cubes with customizable width, height, and length.

Ores Expansion
BryanGruik15

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

Meteors - meseor
paramat

Destructs your world with meteors (generates craters) upon map generation and also afterwards at a low chance!

Blood Bane Sword
Blocky Player

OP sword for moderators. In memory of an old teacher, who had a mod similar to this on a private server.

Statues
BryanGruik15

Adds statues of various sizes to the game.

Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed

Giftbox2
Wuzzy

Gift boxes that players can give to other who will then receive random items