Rings
Goops

Add rings with temporary player effects

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

Slats
v-rob

Adds decorative slats that have a lot of uses.

golden_bread
MR_breaddz

golden bread

Pixelart
Linuxdirk

Nodes for pixelart grouped in color palettes

Jukeloopbox
ulla

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

Why?
ThePython10110

Adds random things to MTG and MCL.

Watershed
paramat

A river / mountain range mapgen

Treasurer
Wuzzy

A framework to define and distribute random treasures into the world.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Axis Tools
mt-mods

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

Lifesteal Mod
Jo5629_

Provides a lifesteal mod into Minetest.

Bread
Lahusen

Just my favourite bread recipes

Raw Ore Blocks
Silver Sandstone

Adds block forms of metal lumps.

Swamps
Hybrid Dog

Adds swamps

Bed Notifications
Bob64

This adds chat messages that tell other players when a player leaves or enters a bed and when players can sleep.

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

Narutomaki
1F616EMO

Delicious Narutomaki!

Nyfty Blocks
Ryft77

Adds some nifty blocks

blackhole containment box
Soundwavez

cool swirvy gravitational blackhole boxes, that can be used to "ahnialate" enemy bases, or for "deforestation" aah i love abms! (extra dramatic!))

Living Grass
karlexceed

Adds a simple lifecycle to grass

X-fangs
Octavian2011

adds suits for speed and look

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

Lava Ore Gen
Coder12

Makes the lava turn stone into ore over time.

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.

Sumo
MisterE

Sumo Minigame (Arena_lib)

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Custom Falling Nodes
TenPlus1

Tweak falling blocks to add custom controls

BlockHead
Silver Sandstone

Lets you put a block on your head.

After Earth
AiTechEye

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

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.

TPH's Spyglass
TPH

Provides a Spyglass for zooming in and out (if RMB is pressed)

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

Digiline Stats
Darin755

A mod that adds a few digiline blocks to get server information

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor to Minetest.

Ore Deposits
Tarruvi

Adds ore deposits that can randomly spawn on stone

challenge
josegamestest

challenges to create route challenges or to train flight

Aether
iarbat

Adds a hard to obtain yet powerful substance called Aether.

Staffs
CalebJ

Staffs with various uses

Item Repair
ApolloX

Repair many items with ease.