Bukkit

Multiverse Inventories allows you to control who and what can cross world borders!

A perfect plugin for upcoming server owners with customisable options and settings at the forefront.

Mine spawners with silk touch / Spawner Management

A collection of useful commands and features for server admins and players.

Allows you to worldedit only in regions you own.

RankPrefix+

ServerSigns - Bind player and server commands to signs

Remove lag on your Bukkit server with this easy to use plugin

Hub - Plugin

Simple & Effective Staff Utility To Freeze Players! [Very Customizable] When player's give you lemons, freeze them & make Ice Lemon Tea!

Orebfuscator - Anti Xray

Fully Custom GUI Menu Maker & Menu Builder Plugin. Design interactive GUIs with Inventories, Dialogs, or Floodgate, powered by animations and logic. Includes an Online GUI Editor for effortless menu creation.

RedProtect Anti-Grief | Server Protection | Region Management [1.7-1.19+]

High-Performance Anti X-Ray plugin

bPermissions

Allows server admins to easily modify how Minecraft works without programming anything

The best chest&sign shop system for Bukkit

Get custom items on join.

Easily add commands to NPC's! [1.8-1.12] (BungeeCord Support | Citizens 2)

[UNMAINTAINED] Intuitive and powerful plugin to create graphical user interfaces.