Bukkit

Easily get the price of all the items by just setting the price of 'raw' items.

This is a plugin like MinePlex, when a player joins, they will get a title and subtitle to greet them.

Charge players money/items to enter an area

When Someone Mentions You It Will Notify You!

Adds that RPG feel.

Overrides the built-in whitelist system for use with offline/cross-play servers

PowerNBT

You can make a custom book!

Banning /kick /ban /warn

A easy to use PlayerCounter edit-plugin

ChatTools

Live-chat translation plugin for Minecraft servers, using the Yandex translation API

Near 100% customization/control over voting on a server with use of GUI shops.

An all around administration system that contains bans, mutes, IP tracking, watchlists, player help commands, and much more.

PlayerTutorials adds a great way to show players around your server that is fun and easy to set up!

Keep track of online users for your website

Convenient user IP address viewing

This plugin is good and fun for PyroPvP servers

Throw a potion to automatically create a WorldGuard region

NoItem item control plugin for Bukkit