My Item Chest
Don

A chest that spawns different items

Shifter Tool
jwmhjwmh

Adds a tool for moving nodes as pistons would

Advanced Rangefinder
sorcerykid

Extends the API with search capabilities for entities

Shapetester
zempik10

Allows you to turn into a plethora of different species.

Useful Contraptions
theFox

Some useful contraptions / machines.

S Potions
Stakbox

Adds a simple potion brewing system for MTG. Includes API for adding custom potions.

Lootboxes
Jose_ManuelS18

Adds lootboxes to dungeon loot.

inventory ores
fluxionary

shows where to find ores in an inventory manager.

Grappling Hook
doctor_ew

A throwable grappling_hook

Instabreak
Mint

Instantly break (most) construction blocks.

Mystic Runes
liteninglazer

Adds runes which can be used to craft powerful items.

Advanced Fight Library
SFENCE

Library for implementing advanced combat systems with hitbox-based damage and body part health tracking

Playerhealth
Simon

fill your hearts (HP)

Node Damage
Noodlemire

Enables nodes to be partially damaged, and to be repaired afterwards.

sfinv++
swagtoy

Improves the inventory, and fixes some formspecs throughout some mods.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Archipelago for Citadel
Warr1024

Connect Citadel to Archipelago Multi-world Randomizer

Digichat
SpinningCubes

Adds a block for sending chat messages using Digilines.

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Bed Jumping
playduin

You may jump on the bed

Select Item
Wuzzy

Allows other mods to add a simple form to choose a single item.

Assets_Warehousepart2
JALdMIC

Part 2 of Assets_Warehouse

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

Placeholder
BuckarooBanzai

placeholder node / a better unknown node

Mirror of Returning
Wuzzy

Adds a magical item which teleports the user to a previously set location.

NodeCore Fungi
Winter94

Adds various fungi to NodeCore, in all their mycelial glory.

Aliases
Flay Krunegan

Change playername in the server.

MT Block and Asset Pack
ClassicAdam

Variety of blocks and other mesh nodes.

Another Spawneggs Mod
AntumDeluge

Spawneggs for adding entities to game.

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Falling Stairs
lazerbeak12345

Adds falling stairs and slabs for gravel, sand and others.

Boulders
Neuromancer

Adds pushable boulders which spawn in dirt & stone. They tumble when they wind up on top of each other and cause damage when they fall on you.

Letters
Amaz

Adds a letter cutting tool with letter "signlike" nodes.

Area-Locked Chests
1F616EMO

Locked chest that check protections

NucleoTest
DarkXWolf17

Battle Royale-like game. Provides an API and a reference implementation. Highly radioactive. Work in progress.

Unified Stamina API
TestificateMods

Provides a universal API for handling different mods that provide a stamina bar

My Land
Don

Claim your land and protect it

Vision Lib
mt-mods

Common library for PolySaken's mods.

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials