Bukkit

CustoBan allows for Custom Ban messages to be used when a player is banned.

A plugin for displaying ranks as a hoverable prefix [R] before the users name

HubCommands

An Simple NightVison Plugin!

TalkAs: Talk as other players

Plugin with core features for semi-vanilla servers

Command-based Shop Plugin For Spigot

Talk to Notch in Minecraft! Notch sounds surprisingly like Cleverbot.

Plugin that lists all players online and can mark players as afk incase they request.

AutoBroadcaster 1.4.3

Another one plugin for managing broadcasting message lists

SupportSystem mit MySQL

WesAdvert

iBroadcast XP

This plugin adds in 20+ commands for any admin that they can't simply use with just in-game cmds

CustomAlert/MOTD/Broadcast

Show players running Minecraft 1.8.3 or lower an animated MOTD

Clear inventories, potions effect, the public chat, and enderchest!

Custom Chat Channel Plugin

A small plugin to censore unsuitable words. Words is customizable. Plugin can kick player or only censore word.