Magma
SuperStarSonic

Adds volcanoes, lava vents and new magma blocks

Bamboo
AwesomeDragon97

Adds bamboo which generates in jungles and can be used as a crafting ingredient.

K WorldEdit Command Builder GUI
ketwaroo

Alternate worldedit frontend to build and run commands that is agnostic of inventory.

ObsidianStuff
SoloSniper

Adds obsidian tools and armour

Colored Meselamps
devurandom

Adds colored versions of meselamps, craftable with dyes

Pova
TenPlus1

Gives mod makers a set of functions to safely apply player physics overrides.

GC Sprint
stellarorion

A simple sprinting utility without the need for food consumption :^)

Tungsten Carbide
RemainderTheorem

Adds tools made from tungsten carbide that are more durable.

CoreAnim
SpacingBat3

Interpolated animation modpack, using Minetest 5.9+ API with backwards compatible syntax.

Cones: Traffic and Training Cones
ClassicAdam

Cones. Various use traffic cones and training cones. 3 sizes, 10 colors, 30 cones in total.

Sane Tools
42tpac

Adds a 3x3 hammer, a one layer wand builder and a one layer scraper

Aqua Farming
Clyde

Farming under Water, now it's possible.

Signs Bot
joe7575

A robot controlled by signs

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Shears
Atlante

This mod adds a pair of shears to easily cut foliage, flowers, wool etc.

Herbs
Clyde

Adds 15 flowers and 6 mushrooms.

Columnia
mt-mods

Adds simple pillars and columns

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Mob Limiter
Neuromancer

removes mobs over max count near players with configurable settings

autofarmer
beepbopbeepboop

Adds LV-MV-HV Auto Planter and a customizable MV Harvester

Portal Rail
BigBear

Minecart rail that teleports exactly 500m in direction of travel

Mesebox
johalun

Mobile storage box powered by Mese

Abriflame
mt-mods

Adds coloured fire through use of fire starter tool.

Watering Can
SFENCE

A watering can to wetten soil. Support for Hades Revisited. Supported by composting.

Additional Gravel
Hordeking

Adds overgrown gravel, similar to mossy cobblestone.

Handholds
Shara

Adds a climbing pick which creates handholds in stone, desert stone, sandstones and ice nodes.

Doctor Who Tardis
Skivling

Adds various items, blocks, Daleks, and a working TARDIS from the sci-fi show Doctor Who. Forked from tardis_new by PiDemon, which is unmaintained.

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

Valleys Mapgen
Gaël de Sailly

A map generator with valleys, rivers, mountains and many plants.

Ham Radio
techniX

Radio transmitters, beacons, and receivers

Renew Pack
ApolloX

Self Repairing tools and armor

Chemistry
Emiliano

A package with some elements and compounds

Mailbox
1F616EMO

Inbox for items

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Plaster
Extex

Adds a variety of Plaster blocks for building.

BitChange
Krock

Money items for your world. You can mine bitcoins. Sort of.

Technic Recipes
alerikaisattera

Extra recipes for processing various items with Technic machines

Oil lamps
ademant

Create oillamps with oil from leaves (basic_materials) or create oil with seeds.

More Crafting Recipes
RasPiManiac

Adds more default crafting recipes

Simple Shooter
stu

First person shooter mod.