Rainbow Source
Shara

Adds coloured water.

Time Travel
Red_King_Cyclops

Adds in a craftable time machine that can be used to time travel to different time periods of Earth's history.

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

My Torches
Don

Changes default torches to ones that burn out and cause damage

My Wood Slopes
Don

Make slopes with wood blocks.

Ancient Bones
karlexceed

Adds bones with loot to dungeons.

Curtiss R3C-0
APercy

Curtiss R3C-0

French Toast!
RasPiManiac

Adds French Toast. That's it.

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

X-Fangs
Knightech86

This adds sund powerful suits

Blox
mt-mods

Adds lots of differently colored and textured blocks.

Wildflower Fields
mzs.112000

Adds a wildflower field biome to Minetest Game.

Advanced Weapons
LMD

Adds a variety of advanced weapons.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Randomized Map-specific Ores
Piezo_

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

Technic Recipes
alerikaisattera

Extra recipes for processing various items with Technic machines

Movement Essentials
Daniel

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

Windows 95 256 Color Palette
UltraSans

Windows 95 256 palette and compatible with CTF!

Real Torch
TenPlus1

Realistic torches that go out eventually and drop in water

GC Gamemode
stellarorion

Easily switch between the survival and creative inventory

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Pink Lava
TenPlus1

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

Atium
GenesisMT

A strange a ore with tools.

BingFeng Maidroid
XYChen

An improved version of Maidroid, providing maid robots.

Cute Pie
Don

Cute blocks

More Snow
Sokomine

snow and wool for stairs - nicer winter landscape and snow-covered roofs

Better Ice
TheFanne

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

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

obsidian
Giga_M

more uses for obsidian

Fire extinguisher
SkyBuilder1717

Adds fire extinguisher, which can extinguish some fire

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Parcdeco
Floatland

adds grass-like nodes that have flowers

S Battlehammer
Stakbox

Adds a battlehammer weapon with high knockback for MTG (compatible only with Mobs Redo API).

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Oil lamps
ademant

Create oillamps with oil from leaves (basic_materials) or create oil with seeds.

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Ores Expansion
BryanGruik15

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

Castle Storage
FaceDeer

Contains storage containers one might find contained in a castle.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.