Sundial
The4spaceconstants

Mostly game-independent sundial

Tinted Glass
1F616EMO

Colored glass

Blox
mt-mods

Adds lots of differently colored and textured blocks.

My Pipes
Don

Mechanical pipes

Saphire
Ryft77

Adds saphire stuff

Color Cubes
Wuzzy

This mod contains several colorful abstract blocks for decoration.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

awuuwa's Building Blocks
awuuwa

various building blocks

Flowing Concrete
DumbDave961

Adds flowing concrete that hardens over time. Cheap alternative to lava cooling.

Cottages for Hades Revisited
SFENCE

Build medieval cottages with furniture, window shutters and roofs, thresh your wheat.

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.

Better Locks
SkyBuilder1717

Adds locks and locked doors

Columnia
mt-mods

Adds simple pillars and columns

bridges
mt-mods

bridges....and auto bridges

My Wood Slopes
Don

Make slopes with wood blocks.

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Beds for Minetest Classic
MyNameIsKid

Beds for Minetest Classic by MyNameIsKid.

Embedded Lights
scr267

Decorative block embedded LED or Potlights

NodeCore Vuga
Winter94

Generates Vuga Underground.

Prefab
mt-mods

Adds pre-fabricated concrete elements.

Node roads
MatyasP

Add much of one-node roads and crossroads, road bridges and slopes

WorldEdit Wall Block
SkyBuilder1717

Adds block and item for making big structures easily as possible.

Digilines Lightstone
1F616EMO

Digiline-controlled light-emitting colour blocks

Barrier
erov

Barriers with optional placement restrictions.

Hexadecimal Colours
erov

Adds nodes with colour palattes for each 3 character hex value like #fff

NodeCore Pottery
Winter94

Adds clay and ceramic items and nodes to NodeCore

NodeCore Additional Content
Winter94

Ask and Ye Shall Recieve (Multiple Small Additions Requested in NC Documentation )

Quartz Glass for Stellua
vejou

Adds quartz-glass combinations for colored glass blocks

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

My Default Lights
Don

Simple lights made from default material

Hidestone
shaft

Adds a stone that can hide up to 100 blocks.

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Parcdeco
Floatland

adds grass-like nodes that have flowers

Pole Scaffolding
SFENCE

Craftable pole scaffoldings. Support default game and Hades Revisited game.

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

My Blocks
Don

Special Blocks

My Wool
Don

More wool colors