Bukkit

TNTRun minigame

Make chests that every player can loot 1 time. And make chests that are unlimited

Use flint to edit armor stand attributes without commands

Gather spawners with silk touch enchanted tools. Provides the ability to change mob types.

Command and config free elevators / lift

ArchonCrates, the most popular crates plugin.

Bukkit Economy

Render image on a map !

Players in creative can 1-hit-kill mobs when crouching

Allows players to have nicknames.

Custom backpack items in vanilla Minecraft!

Random boxes in Minecraft

Simple plugin to let you know the damage you just caused to a mob, and how much health it has left.

Hub - Plugin

A minimap without clientmod using Maps!

Hive Jump Pads

PrisonUtils

Show a picture of your player's head in chat when they join! Very configurable.

A great expansion for Slimefun.

A modern all-in-one ecosystem for prison servers.