Bukkit

The Hidden Lorax will automatically plant saplings left on the ground.

Ultra Tool

This adds global chat to the game.

TheWalkingDead

Stop players from logging in and out to avoid fall damage!

A quick-and-easy customizable chat plugin for sending and receiving chat notifications, where a player is pinged when mentioned.

JPM

Campfire

/vec - Open your enderchest inventory anywhere.

A Simple Taxes plugin using Vault.

SignMod is a plugin to make modifications to signs like coloring.

A new Herochat5 Bridge for CraftIRC3

Common utilities and tools for PoiXson plugins

PetitionPlugin3

Lobby

Shielder is a simple plugin that makes new players invulnerable to PVP for 30 minutes when they first join the server.

Anti-Drop/pickup

Retrieving Unique Player Profiles with historic usernames

Open A Menu With Named NPC's

SSHD securely exposes your Spigot or BungeeCord admin console using the SSH protocol