Bukkit

WorldGuard Custom Flags

This does nothing on it's own and is a requirement for some of Tux2's plugins.

Fix your tekkit server's problems.

PermissionsBukkit

Multiworld compatible Superperm Manager

LogBlock

The Great Weather Plugin !

Convert worlds into instanced dungeons.

Make any recipes through GUI's only - the only plugin that supports itemmeta, like enchantments - The most powerful crafting plugin.

SQLibrary aims to streamline driver wrappers in Java for every database engine

Keep your server running while mojang is offline, Supports all server versions!

AntiJoinBot

zPermissions

Extend Minecraft using Javascript

The Bukkit implementation of the Flint minigame engine

New items, blocks, machines, energy system and more!

OfflineManager - Manage offline players with commands!

RaspberryJuice

A multiworld, superperm compatible chat manager

SimplyVanish