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.

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.

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.

Classroom
rubenwardy

An easy way to manage students in-game, with support for bulk actions and macros.

Fast Build Tool
playduin

Tool for fast box building

Emoji
bosapara

"Emoji" show emoji icon above player with command "/e" or with text smiles in chat like 'o_O'

NodeCore Snakes
Kimapr

Sneaky snakes in NodeCore!

newplayer
cheapie

Yet another show-people-the-rules thing

Mob Crab (Beta)
Can202

Adds Crabs.

Tntrun
debiankaios

Players compete to be the last one standing on a layer of falling TNT

Bread
Lahusen

Just my favourite bread recipes

Item Repair
ApolloX

Repair many items with ease.

X-fangs
Octavian2011

adds suits for speed and look

Chains
X17

Adds chains to climb or decorate

Custom Falling Nodes
TenPlus1

Tweak falling blocks to add custom controls

3D Maze Screensaver Labyrinth
ROllerozxa

The 3D Maze Screensaver for the Labyrinth game

Conquer
rubenwardy

Command your troops to victory - an RTS mini-game

Sounds
AntumDeluge

A set of free sounds & API.

Basic Grenades
LandarVargan

Adds some basic grenades using the grenades API

Axis Tools
mt-mods

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

Craft Lookup
ForbiddenJ

Provides you with a way to lookup recipes to make items.

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!))

Pkarcs for Hades Revisited
SFENCE

Adds arched doors to Hades Revisited.

BlockHead
Silver Sandstone

Lets you put a block on your head.

Infinity Gauntlet
Gcbarden

Adds The Infinity Gauntlet

Node Touch Action
Neuromancer

Pass in a node name and a function, and every time a player touches that node, the function happens

Auto-Trek
Warr1024

Automatic long-distance walking via assisted auto-forward

Lua Wand
Zemtzov7

Tool with programmable on_use

Swamps
Hybrid Dog

Adds swamps