Ocean
StarNinjas

Adds coral reefs, fish, decorative ocean blocks and much more!

Fancy Vend
ChimneySwift

A full-featured, fully-integrated vendor mod for Minetest

Castle Gates
FaceDeer

This is a mod all about creating castle gates and dungeons

Timber Frame
jbb

This mod adds timber-framed clay, bricks, cobble, stone and stone bricks to the game.

Hopper
FaceDeer

Adds hoppers to transport items between chests/furnace etc.

Anvil
FaceDeer

Hammer and anvil for repairing tools

Castle Weapons
FaceDeer

Provides several medieval weapons for use around castles

Ropes
FaceDeer

Adds rope boxes of various lengths and also rope ladders.

Castle Masonry
FaceDeer

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

Bridges and stairs, factory-style
narrnika

Adds a steel bridges, railings and stairs in Minetest.

Crafting Bench
FaceDeer

An auto-crafting bench

Airtanks
FaceDeer

Provides pressurized air tanks for extended underwater excursions

Castle Shields
FaceDeer

Adds decorative wall shields

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

Castle Lighting
FaceDeer

This mod contains medieval castle lighting solutions

Nodecore Luxgate
Avicennia_g

A simple attempt at adding craftable portals called "Luxgates" to nodecore.

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.

Pontoons
FaceDeer

A "floating" block that can be placed at the surface of a body of water without needing to build pilings first.

Cucina Vegana
Clyde

Adds plants and spices for a vegan kitchen

Orbs Of Time
FaceDeer

A mod containing magical orbs a player can use a limited number of times to change the time of day

Castle Tapestries
FaceDeer

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

Fireworks
CalebJ

Particle driven fireworks.

Placeable Buckets for Catching Rainwater
Noodlemire

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

Sounding Line
FaceDeer

A tool for determining the depth of water or the depth of a hole.

Xblox
StarNinjas

New blocks!

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Whack-a-Corn
Avicennia_g

Use vaguely familiar tools, weapons and other items to smash "eggcorns" in this frantic, Nodecore-flavoured, smash-and-dash styled minigame.

Spikes
niwla23

Adds wooden, steel and titanium spikes.

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Colorscreens
DELTA_FORCE

Decorations that can also be used as an actual greenscreen or other colorscreen.

Node Damage
Noodlemire

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

Axis Tools
PolySaken

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

Trucraft
PolySaken

An alternative crafting system done entirely in the world.

Poly Decor
PolySaken

My spin on decorative stuff.

You Can't Touch It Either
Avicennia_g

Simple mod adding lockable storage shelves to Nodecore.

Breadcrumbs
FaceDeer

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

Wireworld extended
Flamore

Wireworld is an cellular automaton suited to simulating electronic logic

XenTom Tools
tomracer

It adds more tools and some new blocks...