Cute Pie
Don

Cute blocks

My Torches
Don

Changes default torches to ones that burn out and cause damage

Colored Leaves
Otto

Adds several colors of leaves

TP Gate
AiTechEye

Teleport through the gate

Rainbow Source
Shara

Adds coloured water.

Crafty Arts
AirplaneMan

Arts and crafts supplies

Sugar
X17

Adds eatable sugar made of papyrus and a sugar block

3D Spikes
Groin

Adds spikes to the game.

Drawstruct
Xenon

Draw or generate random structures

rtp
bookgirl

Random teleport commands (/rtp and /wild)

TerraContent Crimson
AirplaneMan

Introduces the Crimson to your worlds.

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

Roadway
X17

Adds simple roads in 4 sizes.

End Him Rightly
ekl

Unscrewable and throwable pommel

Additional Gravel
Hordeking

Adds overgrown gravel, similar to mossy cobblestone.

Lava Particles
karlexceed

Adds some spark particles to lava pools

Quartz Geodes
AwesomeDragon97

Extends the Geodes mod with quartz geodes.

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

chatcolor
bookgirl

hex and bukkit-style chat colors with per-color privileges

Batmod
Don

Fun mod that is about bats

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Manifest
MineWorlds

this adds special persona features to the game.

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Coins
Clyde

Adds 3 kind of Coins to your game

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

Ubertool Mod
HartRend

Provides a combination pick, shovel, and axe tool capable of extreme function. Tool is also illuminated.

Fly-B-Gone!
Hugues Ross

Hides butterflies/fireflies

TerraContent Corruption
AirplaneMan

Adds the Corruption

Card deck
mijutu

Deck of cards and table blocks

doorbell
Miniontoby

A doorbell mod with sound

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

Fake Liquid
SkyBuilder1717

Adds a fake liquids

Parcdeco
Floatland

adds grass-like nodes that have flowers

My Regen Chest
Don

Spawns items when opened and will not again for determined amount of time

Top players
Giga_M

Adds a kill, deaths, and kd counter to players.

Cube Nodes
Andrey01

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

Finaluxi
Sere Motsatt

A example for aore API.

Sneeker
AntumDeluge

An explosive nuisance.

Offline Phantoms
Kimapr

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

Kill History
LMD

Adds a kill history