Bukkit

Add seasons to Minecraft !

Destroy lots of wood by breaking one

easily create shops for physical economies.

Create templeworlds that can be instanced and played by your players. Perfect for Adventure maps!

DrugsXL adds fun drugs to Minecraft!

SWatchdog is ultralightweight blocklogger, similar to bigbrother. Also allows to rollback griefs in specified area

Add weight to your armor! Heavier armor makes the player more immovable and slower.

Best plugin for manhunt (speedrunner vs hunter)!

The minigame now in plugin form!

Block players from enchanting above a certain level.

Use the /pray command to issue prayer requests to the gods.

Plugin | Some mobs are dropping items needed for Skyblock progression!

Provides book related features such as copying books.

A plugin that adds items that turn into structures when places

RegenBlock beta 2.2 - Regenerate destroyed blocks on a timer

ExperienceMod is a configurable plugin that controls how and when experience is awarded to players.

A customizable & secure shulker viewer plugin

Bring images from websites to your map!

Summons little gremlins to organize your chests when you're not looking.

Keep items and more on death! Highly customizable.