Blockwatcher
Cashia

Logs block edits and allows rollbacks for admins

Item Repair
ApolloX

Repair many items with ease.

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Ham Radio API
VinAdmin

Add-on for the Ham Radio mod that allows you to implement the transmission of messages between servers via web api

Repixture Crafting Compatibility
Silver Sandstone

Converts crafting recipes to be compatible with Repixture.

newplayer
cheapie

Yet another show-people-the-rules thing

Invisible Wall
X17

Adds a simple invisible block

Manage entities
SFENCE

Prevents server lag by limiting configured entity count per area. Automatically removes excess entities based on configuration.

Clump Fall Nodes
Noodlemire

Makes most nodes able to fall without enough support.

PVP Toggle
Impulse

Enables you to choose whether you want to PVP or not.

Tsalagi_letters_modpack
yona

Tsalagi Letters

Kudzu
chaosomnium

kudzu (invasive spreading plant) mod, with useful crafts and items

Fancy Place
DragonWrangler

Better block placement system that allows you to place blocks even when not pointing at the connecting face.

Nodecore Rabbits
LandarVargan

Adds rabbit holes, rabbits, and traps to the Nodecore game

Lua Wand
IlzumiZeminori

Tool with programmable on_use

Feather Fall
ApolloX

Holding this feather makes you light as it

Botic Font
Pyrollo

Botic font mod for Font API

Zenrake
Hussell

Adds 4 new rake patterns to NodeCore

Incredible Maze Generator
orwell

This mod is a maze generator

Sneak Drop
Flay Krunegan

Pick up all items on the ground in a 3 block radius by holding sneak.

Balloon Bop
MisterE

Based on ExeVirus's Balloon Bash Ludum Dare submission, comes a minigame for Arena_lib all about Popping huge quantities of balloons and not letting them touch the ground.

Un-Craft Table
Troodon

Adds an uncraft table

Random Cool
pl608

Adds random ores on lava cool

Item Displayed
michi16bit

Add displays

Xiangqi
y5nw

Xiangqi (Chinese chess)

Basic Grenades
LandarVargan

Adds some basic grenades using the grenades API

Inspector
sofar

An in-game tool to inspect node parameters and metadata.

Nebula Anti-Cheat
JoinNebula

Cheat detection and prevention

Blobcats
Taurinechan

This mod spawn blobcats.

Insane crafting recipies
Arkatron

Adds special crafting recipies

Player Factions Redo
Pixelated

Rewrites the Player Factions mod to be more efficient and easier to use

Filter
sofar

A chat filter for servers, to warn/kick/ban on swearing

DogBlocks
Hybrid Dog

Cute, adorable dog nodes

Scarlet
sorcerykid

Scarlet is a thin-wrapper library that simplifies the layout of formspec elements.

Greenscreen
ROllerozxa

Brightly coloured nodes for chroma-keying. (greenscreens)

Chat Translator
Droog71

Translates chat messages using LibreTranslate.

Inventory Inspector
Flay Krunegan

Allows you to view the inventory of the players

Tradelands
Lunovox

Protection of land on payment of periodic rate.

Bed Notifications
Bob64

This adds chat messages that tell other players when a player leaves or enters a bed and when players can sleep.

use_texture_alpha workaround
1F616EMO

Fix boolean use_texture_alpha on MT5.9+