Studs
erle

Adds studs on top of many nodes that are not ground content. This makes the decorated nodes look like interlocking bricks, similar to LEGO.

Worldedge
Don

Teleports the player to the other side of the world when they reach the edge.

Titanic Mod
auto.umdenken

adds several nodes in the style of the RMS TITANIC

Manage entities
SFENCE

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

BiomeDB
EmptyStar

Searchable biome database for robust biome selection

Item Extensions
Sumi

Support for more callbacks for items, such as `on_step` and `on_select`

Pumpkinspice
GreenXenith

Adds pumpkinspice stuff.

Hedges
Shara

Adds connected hedges that that can be crafted from leaves.

eXtended Ban 2
kaeza

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

Mystical Tools
liteninglazer

tool progression past diamonds and adds mystical staffs and wands

Mob Crab (Beta)
Can202

Adds Crabs.

Christmas Tree
ExeterDad

Adds a decorated indoor Christmas tree with wrapped gifts.

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Server Rules
CrazyladMT

Adds a rules interface.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Variety Fork
awuuwa

Fork of Atlante's Variety

Fancy Place
DragonWrangler

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

scaffolding (flux's version)
fluxionary

scaffolding, to help in building projects.

Turret
Giga_M

adds a defensive turret

Lookup Tool
Wuzzy

Adds a tool which shows help entries about almost anything which it punches.

Node Touch Action
Neuromancer

Pass in a node name and a function, and every time a player touches that node, the function happens

Sounds
AntumDeluge

A set of free sounds & API.

Name Generator
FaceDeer

A lua library for generating random names based off of rulesets and syllable lists.

Nodecore Paint
Kimapr

Paint anything on node surfaces

Upgrade Packs
Krock

Provides craftable packs to players to increase their health and breath

Stairs Recycle
DumbDave961

Turn stairs into slabs, different stairs, or back into blocks. Smelt cobble stairs into stone stairs. Highly recommended for Oneblock survival.

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Flow Inspector
Luke

An "inspect element" helper for flow GUIs

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Medieval (Fork)
DragonWrangler

an addon to darkage

World Settings
Codiac

Supports per world settings in Luanti games and mods

Build Easy Box
epCode

A handy tool allowing the creation of large structures with minimal effort (in survival!).

Music Player
Jose_ManuelS18

Adds a music player and discs

Debug
LMD

Debugging on steroids

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Dashing
LMD

Quick energy burst alternative to sprinting

Basic Anvil
MikeRedwood

Adds an easy tool repair craft