Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Burnable Diamonds
Hypernoot

Make diamonds useable as fuel

Renewable Fireflies
mecha_moonboy

Registers an ABM on some ground blocks that spawn fireflies if certain criteria are met.

Ldf Race
lister

Race/Parkour Timers and Record Tables

Livetools
AiTechEye

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

Kill history hud
GigaByte

adds a death history on the screen

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Hexagonal
GreenXenith

Proof of concept for hexagonal nodes

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.

Horsetail++
TX_Miner

Lets you eat Horsetails from Paleotest. Very helpful in caves!!!

Basket Cooking
1F616EMO

Cook all stuffs inside a basket with electric furnaces

idiamond
soeren

With this new feature, you can press ordinary diamonds into industrial diamonds, effectively doubling your diamond count and maximizing your resources.

Colored Steel
cd2

Adds colored steel blocks.

Great British Pound
angry_hd1

Adds A Simple Currency System

XP Highscores
debiankaios

Add a better highscore system for xp_redo.

Math blocks
Giulio

Adds decorative math blocks to help in teaching

End Him Rightly
ekl

Unscrewable and throwable pommel

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

Kits
Pyu

An API for creating kits

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.

Frames
opfromthestart

Frames from Technic since it was removed.

Fragments
Amaz

A mapgen with a goal, with things needed to advance to the next level.

Spectator Mode
jp

Allows you to watch other players in their 3rd person view.

Fly-B-Gone!
Hugues Ross

Hides butterflies/fireflies

daymachine
niwla23

Make day by using one mese crystal!

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Obdy
Sires

Adds some pretty OP tools :)

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Server Essentials
jolethen

An essential mod for any server

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Shortcut
Derevio

Adds the ability to set shortcuts to commands.

Colored Stone
Clyde

provides colored stones.

Drawstruct
Xenon

Draw or generate random structures

Grimoire
monk

Override tool functionality during runtime

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Bounty
csirolli

Place bounties on players

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.