Tomahawks and Throwing Knives
Pixelated

Introduces new weapons

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.

Guinea pig
DrPlamsa

Adds guinea pigs.

3d ores!
Soundwavez

a slick new take on the default ores!

crouched
GigaByte

the player crouches

Infinite Chest
Dragonop

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

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

CodeBlock
giga-turbo

Use lua code to build anything you want

Rain Barrels and Wells
Piezo_

Replaces overpowered "water generators" with a unique water-harvesting system

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Cones: Traffic and Training Cones
ClassicAdam

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

NextGen Tinted Glass
StarNinjas

Adds tinted glass that doesn't allow light to pass through

Living Grass
karlexceed

Adds a simple lifecycle to grass

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

potal launcher
Soundwavez

Potal Launcher

MT Expansion
GamingAssociation39

An expansion for MTG

Pixelart
Linuxdirk

Nodes for pixelart grouped in color palettes

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Multiplant
Firefall

Grow Multiplants and get a random seed or flower!

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Utilities for Underch - extension pack
Hume2

Extend the Underground Challenge by miscelaneous utilities and change some recipes

Un-Craft Table
Troodon

Adds an uncraft table

Swamps
Hybrid Dog

Adds swamps

Watershed
paramat

A river / mountain range mapgen

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

Jukeloopbox
ulla

A simple jukebox that can be used for small looped tracks, or simply to listen to music

ColourJump
MrFreeman

A simple minigame where the players need to jump on the correct platform to avoid to fall down

XP Redo
mt-mods

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

MTC Chisel
Can202

Add Chisel and new decorative blocks.

Axis Tools
mt-mods

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

Worldedge
Don

Teleports the player to the other side of the world when they reach the edge.

Medieval (Fork)
DragonWrangler

an addon to darkage

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor to Minetest.

visible health bar
GigaByte

adds a visible health bar above the player

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

After Earth
AiTechEye

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

Zinc
alerikaisattera

Zinc metal, used for making brass

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.