Think Block
Thebinoman

This block can think random thoughts.

Mailbox
1F616EMO

Inbox for items

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

Kill Button
niwla23

Allows you to kill yourself from the UI

TNTTag
debiankaios

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

Keyevent
DS

Adds an event for when player presses a key.

Color my items!
Sofik5800

Color your items with one command: Color me!

BabelFish Mail
1F616EMO

Translate mails into the player's preferred language

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Tac Nayn
GreenXenith

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

Petroglyph Maker
Neuromancer

Create your own petroglyphs on Desert Stone

More vector helpers
Hybrid Dog

Adds more vector functions.

Horadric cube
Xevin

An artifact that can transmute items

NodeCore Bells
GreenXenith

Glass bells for NodeCore

Spawn redo
cathaya7d4

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

Simple Playerlist
Fruitsnack

Mod that adds a menu to see all connected players

Archipelago for Piranesi
Warr1024

Connect Piranesi Restoration Project to Archipelago Multi-world Randomizer

Hades Revisited back-compatibility
SFENCE

Make old Hades Revisited world compatible with new versions of Hades Revisited (from version 0.7.0 to 0.13.0).

Super Axe
adrian-castravete

An automatically wood chopping axe.

Satchel
Avicennia_g

Attempt at adding a formspec-less inventory interface.

Better Bookmarks
jkoop

keep location bookmarks, like /sethome

Cottonseed Oil Fertilizer
1F616EMO

Powerful fertilizer from cotton seed

Stardust
alerikaisattera

A mineral found at high altitude and items made with it

Death Coords
Niden

Show Death Coordinates

Cooksneak
Kimapr

Smarter furnace shift+click behavior

Boulder Dig
Neuromancer

Creates gameplay for the game Boulder Dig (inspired by Boulder Dash). Find the boulders and gems scattered throughout the regularly generated world. 2nd option is more densely packed levels.

PerfHUD
Juri

Adds an HUD which shows some performance stats.

Click Speed Detector
Tomlaus

A mod that ensures you can only place a node every 0.16 seconds. It is intended for servers to counter players using auto-clickers.

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Mese Stuff for Minetest Classic
Ludus

Don’t Mese around with ordinary materials!

Lava Particles
karlexceed

Adds some spark particles to lava pools

Luanti Commander
IlzumiZeminori

Formspec-based file manager with text editor and image viewer

Kits
Pyu

An API for creating kits

Tool Crafter
508linx

use any posible material craft tool in crafttable

Tdl`s Staffs
tdldaboi

Adds elemental staves to the game.

NodeCore Quicksilver
Winter94

Experiment with quicksilver to discover it's various properties!

Map Cursor
Blocky Player

Adds blocks like arrows, pointers and signals. For mapmakers who need to point players somewhere.

Batmod
Don

Fun mod that is about bats

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Replacements
BuckarooBanzai

Replacement/placeholder blocks intended for schematics