Bukkit

WorldEdit is an in-game map editor for both creative and survival

WorldGuard

Dynamic web-based maps of your Bukkit/Spigot server

The Bukkit World Management Plugin.

Create modern looking holograms.

Mine spawners with silk touch

A new perfect way to clear common lagg in your server!

Vault is a Economy/Permission plugin for hooking into the various Economy and Permission plugins.

The modern Essentials suite for Spigot and Paper.

Grief Prevention

Remove lag and improve the performance of your server significantly with this tool!

Open anyone's inventory as a chest in real time!

PowerRanks

The most used authentication plugin for Spigot and CraftBukkit!

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

Intuitive and powerful plugin to create graphical user interfaces.

Stop Combat Log, Toggle PvP, No Kill Abuse, Newbie protection, Stop region border hopping

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

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

A simple homes plugin with the ability to create, delete, and teleport to many different homes.