Bukkit

A plugin with stuff (commands) that might be useful I think

A plugin that will easily let you do /hub the get back to a set location!

AnhyLibAPI is a library designed for integration into Minecraft plugins, developed to enhance their capabilities on servers running on Spigot, Paper, Purpur, and other Spigot forks

Wand

RE: Core for bukkit is a dev tools and a admin tools

Reloadtime

InfinaTime - Constant Time For Your Server

In-game plugin downloader and updater using the SpigotMC marketplace.

MySQL/SQLite simplified API and DB Config

Create mobs from other entities

Summon mobs with the power of one command!

easily create commands that can send users to different servers on your network

BroadcastEvent

This plugin will generate a heap dump of the server process in the server's root directory with the specified filename.

Allows for downloads to the server without any uploading

Useful commands for your server, mostly cosmetics.

Necessary is a multi-functional tool that adds some useful mechanics, commands, tools and other things that make the use of a minecraft server professional and easy

Novation LaunchPad + Minecraft = Awesome!

Quick Binder by DemoNIKman

ScriptingPlus+