silence
fluxionary

adds a node to silence nearby sounds

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

Random Messages
1F616EMO

Register random announcements

Player Mute
DiamondPlane

Allows to mute players

Face Objects
1F616EMO

Calculate the facing of objects

Slingshot
AntumDeluge

Slingshots that can throw inventory items as ammunition.

Compression API
The4spaceconstants

An API that provides functions to procedurally register compressed versions of nodes.

Markdown Poster
Thresher

Adds a markdown variant to the signs mod (from display modpack)

item_monoids
fluxionary

an API for controlling item properties via monoids

Steel bar blocks
sotha1

adds blocks made of steel bars (xpanes)

Compression
The4spaceconstants

Uses compression_api to generate compressed nodes.

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

L-System Tree Utility
Wuzzy

A form to easily spawn L-system trees, aimed at mod developers.

Chat translate
ksandr

Adds commands to translate chat messages into the recipient's language.

Sneeker
AntumDeluge

An explosive nuisance.

Libox
frogTheSecond

A sandboxing library

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Loot
Byakuren

A loot framework.

liquid restriction
wsor4035

restricts liquid use to a privilege

OpenInv
Bapt-tech

A mod for admin to open inventories and ender chests in case of duplication (needs openinv and openec priv)

NC Reactor Meltdown
Winter94

A new challenge, with serious implications...

Modding Commands
DragonWrangler

Adds Hopefully helpful commands for modding

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

NodeCore Bells
GreenXenith

Glass bells for NodeCore

Breadcrumbs
FaceDeer

Path marker signs for use when exploring a twisty maze of passages that are all alike.

Stent
AFCM

A formspec based arena entrance type for arena_lib

Libox Controller
frogTheSecond

A fork of mooncontroller made to use libox, also has QOL improvements

Fragments
Amaz

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

Light Tool
Extex

Adds a tool and api that creates beams of light

Protector Redux
sorcerykid

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

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

verbana
fluxionary

verification and banning

Telegram
neko259

Integration with telegram messenger chat

Manners
brylie

Polite farts and burps.

player attributes
fluxionary

API for defining abstract, compositional player attributes

blueberry_juice
MR_breaddz

blueberry juice

Chat Games API
Impulse

An API to build chatgames like those in the chatgames

Fix floating sands!
1F616EMO

Avoid hanging sands and gravels

toolcap_monoids
fluxionary

an API to allow multiple sources to apply changes to a tools's capabilities.