Fire extinguisher
SkyBuilder1717

Adds fire extinguisher, which can extinguish some fire

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Discrete Player API
Hume2

A library for games which attaches players to node grid

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Stairs Recycle
DumbDave961

Turn stairs into ingots, slabs, or different stairs. Smelt cobble stairs into stone stairs. Highly recommended for Oneblock survival. Based on Simple Recycle by Jolesh.

Great British Pound
angry_hd1

Adds A Simple Currency System

XP Highscores
debiankaios

Add a better highscore system for xp_redo.

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Mesecon Node
1F616EMO

Make all node have mesecon_wire version

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

Fly-B-Gone!
Hugues Ross

Hides butterflies/fireflies

Fragments
Amaz

A mapgen with a goal, with things needed to advance to the next level.

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid

End Him Rightly
ekl

Unscrewable and throwable pommel

Waste
Jolesh

Adds Waste and ways to recycle it into useful resources

Grimoire
monk

Override tool functionality during runtime

Library Mount
Panquesito7

API Framework for mounting objects.

Obdy
Sires

Adds some pretty OP tools :)

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

idiamond
soeren

With this new feature, you can press ordinary diamonds into industrial diamonds, effectively doubling your diamond count and maximizing your resources.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Dye Mixer
LRV

This mod removes the mixes of dyes and the crafting recipes that allow you to dye wool and make them craftable in the Dye Mixer.

blueberry_juice
MR_breaddz

blueberry juice

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Elepower Fixes
Bob64

This aims to fix some of the problems with the elepower modpack.

Configuration Pack
X17

Contains several node setting changes

TNTTag
debiankaios

A player is holding TNT which is about to explode; they must tag other players to get rid of it

Shortcut
Derevio

Adds the ability to set shortcuts to commands.

Card deck
mijutu

Deck of cards and table blocks

Mtg Craft Reverser
Hugues Ross

Makes crafting recipes in Minetest Game reversible

Kits
Pyu

An API for creating kits

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!