Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Nextgen Compass
StarNinjas

A compass item which points towards the world origin.

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

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.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid

TNTTag
debiankaios

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

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Sugar
X17

Adds eatable sugar made of papyrus and a sugar block

Item exchange shop
Krock

Provides a simple exchange shop (currency compatible)

Great British Pound
angry_hd1

Adds A Simple Currency System

Bouncy Leaves
1F616EMO

Adds bouncy and fall damage reduce effect to leaves

Natural Entities
nurd3

A lightweight API for spawning random entities

Colored Steel
cd2

Adds colored steel blocks.

Microexpansion
theFox

A storage managing solution to get an overview over all your items.

Bank Accounts Receipt
Can202

Receipt = TRASH

Metatool
SX

Provides API to register node metadata tools along with few useful tools

Zinc
alerikaisattera

Zinc metal, used for making brass

Grow Dry Grass
Silver Sandstone

Makes dry grass spread on savanna dirt.

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

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.

Configuration Pack
X17

Contains several node setting changes

Obdy
Sires

Adds some pretty OP tools :)

Beamer
Clyde

Beam items or nodes from your inventory to the inventory of your friend.

Light Tool
Extex

Adds a tool and api that creates beams of light

New pickaxes
Arkatron

Adds new pickaxes

Elepower Fixes
Bob64

This aims to fix some of the problems with the elepower modpack.

daymachine
niwla23

Make day by using one mese crystal!

Compression Mods Bundle
The4spaceconstants

A bundle of the mods that generate certain compressed nodes.

Mesecon Node
1F616EMO

Make all node have mesecon_wire version

DeltaTime
SkyBuilder1717

Adds deltatime API

Auctions
Athozus

Adds ingame auctions

Cottonseed Oil Fertilizer
1F616EMO

Powerful fertilizer from cotton seed

itemshelf (Fork)
nac

Generic item shelf with 3D items on display

Item Replicator
ApolloX

Replicate items with ease.

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

Keyring
louisroyer

Adds keyrings.

Fruit Tree Framework
kronosta

Adds a way to easily add fruit trees, and the ability to have saplings for any item through /giveme

Keep Inv Random
Tomlaus

There is a 10% chance that your inventory will be deleted when you die, even if keep inv is on.

Ascend
kestral

Ascend by chat command, if possible.

Roadmarks
LukeOfficial

Adds road marks.