My Wood Slopes
Don

Make slopes with wood blocks.

TP Gate
AiTechEye

Teleport through the gate

World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

Mycorners
Don

Put decorative corners on blocks.

Movement Essentials
Daniel

Adds umbrella for slow fall (hang gliders), consume mese crystal to recall (return to spawn), and throw fragments to teleport.

After Earth
AiTechEye

The earth's ecosystem has collapsed, and there are no biologically environment left.

Admin Toys
wilkgr76

Tools for admins to have fun with cheating and otherwise rule-breaking players

Saphire
Ryft77

Adds saphire stuff

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

My Stacks
Don

Changes the max number of items in each stack

CreNodes
gtzi203

Adds useful nodes for the creative mode, like barriers or light nodes.

Useful Contraptions
theFox

Some useful contraptions / machines.

crouched
GigaByte

the player crouches

nodeu
ulla

metal blocks stair railing coloured

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

Stack Slabs
TumeniNodes

stackable slabs for Minetest

Easter Eggs / Ostereier
Ineva

Adds various coloured eggs for Easter!

Cthulhu eye boss
GigaByte

Cthulhu eye boss adds

Oil lamps
ademant

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

Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed

Blood Bane Sword
Blocky Player

OP sword for moderators. In memory of an old teacher, who had a mod similar to this on a private server.

monster_api_gb
GigaByte

add an api to create bosses

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Time Stone
j45

This mod adds 2 single use stones, a day stone and a night stone, the day stone turns time to sunrise and the night stone turns time to sunset.

Digibuilder
BuckarooBanzai

Build nodes with digiline commands

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Giftbox2
Wuzzy

Gift boxes that players can give to other who will then receive random items

Stairs Recycle
DumbDave961

Turn stairs into ingots, slabs, or different stairs. Smelt cobble stairs into stone stairs. Highly recommended for Oneblock survival. Based on Simple Recycle by Jolesh.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Magic Tech
Futuray-pgm

It adds technology based magic

Batmod
Don

Fun mod that is about bats

Free Stuff Generator
AiTechEye

junk has never been so coveted!

More Coral
Nathan.S

Adds coral in more colors.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Meseconometer
DS

Device to meassure time of mesecon signals in globalsteps

Death Coords
Niden

Show Death Coordinates

Coins
Clyde

Adds 3 kind of Coins to your game

Minercantile
Mathias

Economy featuring a primitive supply and demand system for exchanging goods.