Balloon Blocks
TBSHEB

Adds balloon blocks that can be placed on air.

Death Cetro
1faco

Adds a Staff thats teleports you to your last death position.

Chatsound
Hanicef

Adds a notification sound when a player sends a chat message

NodeCore Skyhell
Kimapr

The ultimate skyblock challenge

Titanium
Hybrid Dog

Adds titanium which is very strong and lasts for a long time.

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Sparking Wand Mod
Olaf

Craft a wand with which you can cast a lightning spell. Great for discovering caves.

Resistor Anthems
Astrobe

Background music (chiptune/8bit-like)

Extended Placement
gamefreq0

Allows placing nodes below/behind the closest node to where you are looking, when you're looking at the air where said node would go.

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

crouched
GigaByte

the player crouches

Custom Falling Nodes
TenPlus1

Tweak falling blocks to add custom controls

Random Cool
pl608

Adds random ores on lava cool

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Zline
ROllerozxa

Gives most nodes a diagonally striped, cloth-looking texture.

TP to Death Point
Sadistic Angela

Command to warp you to your death point instantly.

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

Treasurer
Wuzzy

A framework to define and distribute random treasures into the world.

pilzmod
Phii

a spreading mushroom biome which you can spawn into the world, with its own monsters and a boss you need to slay to stop the biome's growth. Best played with bow & armor mod and after reading manual.

Swamps
Hybrid Dog

Adds swamps

Swamplified
Neuromancer

This mod adds a few more nice touches to Atlante's Swamp biome mod

Object Tracking Tablet
Soundwavez

a fun new item used to locate: players, dropped items, entitys, and anything else that falls under the object catagory!

NextGen Tinted Glass
StarNinjas

Adds tinted glass that doesn't allow light to pass through

More mclx_fences
dougsouza26

Adds fences and fence gates with bark textures for logs and hyphae.

Conquer
rubenwardy

Command your troops to victory - an RTS mini-game

Fbt WiTT
Forburnt

WAILA-like mod (a rewrite of WiTT by MightyAlex200)

Guinea pig
DrPlamsa

Adds guinea pigs.

Fast Build Tool
playduin

Tool for fast box building

Sapling Spawn
karlexceed

Spawns tree saplings

Nettles and Other Weeds
Hume2

Nettles spawning on junky plots

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Ore Deposits
Tarruvi

Adds ore deposits that can randomly spawn on stone

Named Waypoints
FaceDeer

A library for managing waypoints shown in player HUDs that can be discovered by exploration.

Extra Wool Stuff
Impulse

Adds more wool items and nodes

Jukeloopbox
ulla

A simple jukebox that can be used for small looped tracks, or simply to listen to music

Mapserver
BuckarooBanzai

mod for the mapserver

Build Easy Box
epCode

A handy tool allowing the creation of large structures with minimal effort (in survival!).

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

TechAge Apiary
LesyaCPP

TechAge Machines for beekeeping