Manhunt
LissoBone

Play with your friends and enemies in this exciting manhunt game.

Biome Lib
mt-mods

The biome spawning and management library.

Ore Deposits
Tarruvi

Adds ore deposits that can randomly spawn on stone

Know Where You Die
1F616EMO

Send a message include death pos to you when you die

Hardcore mode
SkyBuilder1717

Adds a hardcore mode.

eXtended Ban 2
kaeza

Tempbanning and better banning by keeping track of usernames and IP addresses

Auto-Trek
Warr1024

Automatic long-distance walking via assisted auto-forward

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Internet Relay Chat
kaeza

Connect your server to an IRC channel, and install irc_commands to control the server from IRC

BetterPM
SonoMichele

Improves private messages and makes them more customizable

Sneak Drop
Flay Krunegan

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

The Road (NC)
Winter94

This is a port of thelowerroad for NodeCore that adds a long road from -Z to +Z to the world, during world-generation.

Basic Machines
waxtatect

Lightweight automation mod

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Runtime Strictness
LMD

Disallows questionable usage of the Lua API & Lua itself to help catch errors

Pyramids (with treasures)
Wuzzy

Pyramids with treasures!

Flight
Amaz

Adds three different methods of flying, wings, jetpacks and flying carpets.

Permatime
ROllerozxa

Set the day of time cycle to a certain time permanently.

Moretubes
1F616EMO

More fun tubes for Pipeworks

Balloon Blocks
TBSHEB

Adds balloon blocks that can be placed on air.

Portable Chests
Bob64

Portable chests you can pick up even when there are items inside.

SkillsFramework
domtron vox

SkillsFramework provides an API for creating and managing skills.

More Stones
Blocky Player

Provides a variety of educational and decorative minerals and rocks.

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.

use_texture_alpha workaround
1F616EMO

Fix boolean use_texture_alpha on MT5.9+

Quick Stack
OgelGames

Adds Terraria's quick stack feature to Unified Inventory

Unicode Text
erlehmann

This library can be used to render UTF-8 encoded Unicode text to a texture (e.g. with tga_encoder). It is intended to be used from code that needs to render in-game signs.

TPH's Spyglass
TPH

Provides a Spyglass for zooming in and out (if RMB is pressed)

Temperature Survive
AiTechEye

Makes you feel temperatures

Castles++
philipbenr

This is a modpack all about creating castles and castle dungeons.

Zoonami 3D Mobs
isaiah658

Adds 3D monster mobs to Zoonami.

Castle Tapestries
FaceDeer

This is a mod for creating medieval tapestries, as found in castles

Death Compass
FaceDeer

A compass that points to the last place you died

Transporter
mt-mods

Adds a configurable technic-based transporter, with bookmarks and many options

Chains
X17

Adds chains to climb or decorate

De Nenio
Jolesh

Adds possibilities to get items normally unobtainable in skyblock through new mechanics and objects

vexcazer
AiTechEye

Ultimate build+mine & admin tool

Dashing
LMD

Quick energy burst alternative to sprinting

NodeCore Skyhell
Kimapr

The ultimate skyblock challenge

Nodrown
Minisleep

Disables drowning, so you can swim and live underwater forever.