Bukkit

Itemdetector

Harassment

An anti xray that sends out messages when too many ores have been mined

Weaponz, have fun with some weapons!

Just Bedwars plugin, BUT translated to polish version

When a user types "/specs", it reads the strings in the config and returns it to the player.

EliteWarn allows you to warn players. If they get to a high enough warning level, they will be unable to join.

Simple auto and manual drop remover.

A helpful plugin to help server owner's manage their server's spawn points!

Allows filtering of commands and chats through dynamic regex usage

Make your players pass a tutorial before they play.

Per world Level Saving, Rollback any external world (Multiverse, Multiworld etc)

Useful and fun tools to let you rule your server like a god!

SH clear

SkyWars2

DynamicSounds

A program that blocks bad words. Use this if you are running a christian server or a server that doesn't want bad words.

XRay

Keep an eye on a player's ore mining percentages.

A plugin to restrict non-staff players from joining a server