Nodrown
Minisleep

Disables drowning, so you can swim and live underwater forever.

Greenscreen
ROllerozxa

Brightly coloured nodes for chroma-keying. (greenscreens)

Farlands Reloaded
wsor4035

lightweight game to explore and create

Rain Barrels and Wells
Piezo_

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

Public Inventory Plus
activivan

Adds a public inventory.

Bricks Plus
X17

Adds different brick patterns

MineClone Stackpotions
ApolloX

Stackable Potions

Titanic Mod
auto.umdenken

adds several nodes in the style of the RMS TITANIC

Infinite Chest
Dragonop

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

Better Commands
ThePython10110

Adds commands and syntax from a certain other voxel game

Hovercrafts
AntumDeluge

A fun alternative mode of transport.

Fireworks Redo
niwla23

Adds some better looking fireworks

Treasurer
Wuzzy

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

Slats
v-rob

Adds decorative slats that have a lot of uses.

Dashing
LMD

Quick energy burst alternative to sprinting

Clean unknown recipes
1F616EMO

Remove recipes referencing to unknown items

HUD Analogic Clock
APercy

Adds an analogic clock to hud

Balloon Blocks
TBSHEB

Adds balloon blocks that can be placed on air.

Tides
markthesmeagol

Adds tides, WARNING: will delete water sources above sea level

Why?
ThePython10110

Adds random things to MTG and MCL.

Name Generator
FaceDeer

A lua library for generating random names based off of rulesets and syllable lists.

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.

Grass String
Skivling

Adds string made from grass, which can be converted into normal string.

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Pkarcs for Hades Revisited
SFENCE

Adds arched doors to Hades Revisited.

Wet Mud
Nicu

Hydrates farmland without using water directly

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

More Pickaxes
Koda_

Adds additional pickaxes to the game

Power generators
SFENCE

Add power generators based on appliances API.

Glamorous Deaths
mixer

Announce player demise via server-wide death messages

Grass Instabreak
MrBertram

Makes certain flora blocks instantly breakable by hand.

Punch And Place Particles
epCode

Makes satisfying particles when placing a node or punching one. (viewable by all players)

3D Maze Screensaver Labyrinth
ROllerozxa

The 3D Maze Screensaver for the Labyrinth game

Nodecore Paint
Kimapr

Paint anything on node surfaces

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

TPH's Spyglass
TPH

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

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

Areas Interlocking Patch
wsor4035

make advtrains interlocking priv respect areas

Server Shops
AntumDeluge

Shops intended to be set up by server administrators.