Bukkit

Allow certain blocks to be climbed while holding a hook(tripwire hook)

PopChests - MineZ Chests

Interesting PVP game modes on temporary worlds. Has a variety of game options, and helps devs create their own game modes.

EnchantExtreme - Extend Your Enchantments

Advanced non-conventional free-fight minigame

Admins can turn invisible, without lightning effects!

PlayerMetrics

Kill All Mobs

CustomJoin

A plugin that completely overhauls the pillager patrols in Minecraft

A card-dealing bot for the Sorry! board game.

HealPro1.2

GodItems

A plugin that allows you to spawn npc villagers and have them fight each-other.

Potion Control, Change almost every aspects of potions

Small plugin to enable the storage of experience points in an item.

An online highscores system for your server.

Show the health of players below their names, but only if they have this permission.

Add sound when items drop into inventory grid. All drop sounds are configurable. Inspired by Diablo.

PlayerRider is a very simple plugin which allows you to ride other players.