ObsidianStuff
SoloSniper

Adds obsidian tools and armour

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Protector Blocks for Area Protection Mod
1F616EMO

Protector Block, but using the Area Protect APIs

Basket Cooking
1F616EMO

Cook all stuffs inside a basket with electric furnaces

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game

NodeCore Force Lode
Warr1024

In-game force-loading anchor for NodeCore.

Place Rotated
12Me21

Better slab/log placement

City CommodityMarket
X5Dragonfire

Adds simple CommodityMarkets for city's towns etc.

After Earth
AiTechEye

The earth's ecosystem has collapsed, and there are no biologically environment left.

Tortou
LibraSubtilis

Turtle graphics, hyperloop travelingsystem and cubic mobs.

Bouncy Mushrooms
AirplaneMan

Adds Bouncy Mushrooms to MT

Seasons Clock
solsword

API for getting various "season" parameters based on server time and a few customiable settings. Doesn't change gameplay; just a library that other mods can use to do seasonal things.

space events
Giga_M

adds the possibility of a meteor falling

X Clay
SaKeL

Adds hardened clay.

Splooshy Bombs API
ekl

API for block-flinging bombs

Balrog Sword
DragonWrangler

adds a balrog sword

player attributes
fluxionary

API for defining abstract, compositional player attributes

Magic Potions
LMD

Potions which grant player effects

Abriflame
mt-mods

Adds coloured fire through use of fire starter tool.

Diggable Chests
Kimapr

makes chests, furnaces and such diggable even if not empty

Indestructible Bedrock Layer
Wuzzy

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

Advanced Fight Library
SFENCE

Library for implementing advanced combat systems with hitbox-based damage and body part health tracking

BridgeTool
Kilarin

Adds a new "bridge tool" that makes placing stone (or glass, earth, or any material) while building a bridge in no-fly mode easy.

NodeCore Vuga
Winter94

Generates Vuga Underground.

Steel
mt-mods

Adds a range of steel materials that are recyclable.

PvP Control
mike.monkeybiter

Allow players to set their own ability to hurt or be hurt in PvP, by chat command or by pressure pads. Nametag colour changes to reflect status.

Creatures World (temporary name)
michi16bit

Add creatures and capture balls.

Breasy Player
Bas080

Breasy player adds wind physics to the player.

Randomized Map-specific Ores
Piezo_

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

Mesecons Soundblock
nitro2012pl

Mesecons Soundblock

VizLib
OgelGames

Visulization Library

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

S Potions
Stakbox

Adds a simple potion brewing system for MTG. Includes API for adding custom potions.

My Paths
Don

Dirt paths.

Oil lamps
ademant

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

Exile Crafting Tables
Oz

Optional aesthetic workbenches for existing Exile craft types.

A Cute Flower
lml55

Adds an innocent flower with some head armor

PosTool
SwissalpS

Adds a HUD to show current ingame time and position also tool to visualize map-blocks

Petroglyph Maker
Neuromancer

Create your own petroglyphs on Desert Stone

Events API
TPH

API for creating, handling, and permitting function registration calls for custom events