Burnable Diamonds
Hume2

Make diamonds useable as fuel

Test Harness
IRI

Provides an automated testing framework by simulating player behavior on a server. It allows developers to create, register, and run tests to their packages

Matterbridge Player Events
cj_clippy

Sends a message to the matterbridge when a player joins/parts

Lift On Joinplayer
luarocks

Lift player up on login until he has no air block under his legs.

Replacements
BuckarooBanzai

Replacement/placeholder blocks intended for schematics

Bedrock Markup Language
sorcerykid

Bedrock Markup Language is an extensible markup language and API for formspecs.

Callbacks API
ANAND

callbacks_api is a framework for registering callbacks if the callback registration function exists, else returns gracefully.

Be2een Api
_gianpy_

timers, animation and action! ciack

Chat Tools
theFox

chat commands that people might need

Timed World Modifiers library
karamel

Environmental ABM that could be triggered on a very wide range of nodes but only a few at a time.

Advanced Forceload
Kimapr

a better forceloading API

bug command
fluxionary

adds a command that submits a bug report to a github repo.

Key Combos
epCode

A lib for adding actions when certain keys are pressed in order.

Guilds
RisingLeaf

Adds a very basic guild system.

Clean Chat
MineTestDad

Parents wish to protect their children from possibly harmful words in chat. This allows them to maintain a list per player, which the parents in lieu of their children can extend by themselves.

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

Modding Commands
DragonWrangler

Adds Hopefully helpful commands for modding

Send Stack
ChimneySwift

Adds a command to send the stack you are holding to another player (requires ban priv)

Shadowmute
wsor4035

allows muting and shadow muting players

group:any
1F616EMO

Item group applied to ALL items for crafting recipes.

Aotearoa
Eris

Fork of aotearoa by Dokimi. Complements the default map biomes with Aotearoa, land of the long white cloud, New Zealand.

Warning: Non-free media.

Verbana GUI
Luke

A GUI for verbana

Promise Stuff
jwmhjwmh

A promise library

Lockbox
Jo5629_

Library for cryptography/encryption functions.

Stopwatch
sorcerykid

Stopwatch is Lua-based benchmarking API for Minetest developers

CTF Info
Jo5629_

Know what is happening in CTF in your world.

Pos Marker
1F616EMO

Add markers that can set and get via chatcommand.

aSignals
Sumi

Signal event bus API including SIGNAL, LISTEN and CONDITIONAL functions

Advanced Ban
srifqi

Advanced Ban: Ban a player based on its username

No More Guests!
kaeza

Stops guest players (ie: Guest1234) from joining your server

SSCSM implementation
Luke

A server-sent CSM library.

Library Mount
Panquesito7

API Framework for mounting objects.

Roadmarks
LukeOfficial

Adds road marks.

GroupLib
rudzik8

General grouping API

DeltaTime
SkyBuilder1717

Adds deltatime API

craftsystem
fluxionary

craft registration API which automatically deals w/ replacements

Item Quantifier
Neocraft1293

a mod for mineclone 2 which adds a comparator which checks if there are more than 10 items in the first slot

Ambience API
1F616EMO

API for playing background musics

Database Manager
AFCM

Database Manager API

AoM Settings
Sumi

Provides methods for both player level and server level settings