Mines
ApolloX

Regenerating terrain

TNTTag
debiankaios

A player is holding TNT which is about to explode; they must tag other players to get rid of it

Uncrafter
JoeEnderman

Adds an uncrafting table

Tinted Glass
1F616EMO

Colored glass

New Biomes
Arkatron

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

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Stacked Bricks
1F616EMO

Bricks stacked on another type of bricks

obsidian
GigaByte

more uses for obsidian

Instant Sapling Growth
Panquesito7

Instantly grows sapling and trees when placed. 🌳

Respawn Kit
Deadlock

Adds a "respawn-kit"-Chest. A Copy of everything you put in it, will be given to you on respawn. (With configurable Black/White-List)

Tac Nayn
GreenXenith

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

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

Leather Armor
X17

Adds an armor made of leather

Maple tree
Duvalon

Adds a maple tree placed during world generation.

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.

My Parkour
Don

Nodes for making a parkour track

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Plasterwork
Sokomine

Add colored plaster coats to nodes

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

Boots of Swiftness Mod
ClothierEdward

Adds a new pair of boots called the Boots of Swiftness.

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Cube Nodes
Andrey01

Adds colorful blocks with various symbols as letters, digits, punctuation, emoji and special signs.

Drawstruct
Xenon

Draw or generate random structures

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

attraction grenade
GigaByte

add an void grenade

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Slot Machine Mini-games
mt-mods

Provides an "engine" to drive simple slot machines (includes two). Spins reels, takes in/pays out in Minegeld (Dan's currency mod), etc.

Gems Battle
MisterE

Bedwars-like team battle minigame

Shuriken
shaft

Adds shuriken.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Hero Mines
Neuromancer

Can you rescue the miner trapped at the bottom of the mine? Creates mines that are used as levels for the game H.E.R.O.

Subterrane
FaceDeer

A mod that creates vast underground caverns and allows biomes to be defined for them

digicolor
fluxionary

node whose color can be set via digilines

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Obdy
Sires

Adds some pretty OP tools :)

Anarglass
VerdiSchubert

Some kinds of glass nodes

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Chest2
ApolloX

The Advanced Chest

Decraft
iarbat

De-craft items with the decrafting workbench.