Bukkit

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

Improve aiming of creatures

[Bukkit 1.2.5 R4.0]

Allows players to individually control whether PvP is enabled for themselves

RideThaMob

A pulugin by Nathat23 that pays you a set amount of money when you kill a mob or animal

GeometricMagic allows players to draw redstone circles on the ground to do things such as teleport and transmute blocks.

TradeMod is a plugin that allows players to safely trade with each other.

Blood, food poisoning, and zombie infections! This adds a whole new level of danger to minecraft

Fantasically Simple Discord Bot that runs from your Minecraft server!

Create competitive hunts for rewards and prizes.

Simplified Minecart functionality for Bukkit servers.

Charge players money/items to enter an area

Adds climate change to Minecraft!

Transfer enchantments from tools and armor into books.

This plugin allows you to remove enchantments from items by throwing an anvil at them

V10lift

Greenhouses enable you to have local biomes with plant and mobs.

This Plugin's soul use is with the Official "Survival Games" Plugin.

DigitalClock