Bukkit

Simply and useful plugin for /vote and VoteListener.

Listen for and modify outgoing ping responses

A bukkit plugin for manipulating player inventories.

SuperTab

This plugin allows to compile MPL scripts on a server

SuperTrails

a plugin that adds in essential commands

[Spigot, BungeeCord, Velocity] Complex API library to make plugin development easier & faster!

Bringing asynchronous block events to your neighborhood Bukkit server

SimpleBazooka

[LuckyBlocks] MC-1.10 + API

OPControl [Inactive]

Put commands for certain worlds.

ColorConsole

LAC is a free anticheat.

The extensible logging framework.

Anti Macro | Kick Players | Fully Customizable | Freeze

AntiVirus for Bukkit!

Towny is plugin for towns and nations, 1.12+

Inventory Backup Plugin for Spigot / Paper / Purpur - 1.8 - 1.21.11 - Backup, Restore, Rollback Inventories!