Bukkit

PlayerJoins

Allows users to maintain a friend list.

qStreetLights

Used to create simple command queues on players!

Accurately track how long your users spend on your server

Skyrim-style resource gathering for the masses!

Generate statistics for number of players on, at given time.

A Simple plugin that allows the use of /ping

Tsuser Utilities

Simple Machines

This is it you were looking for. Broadcasting plugin on your server. Could not be more friendly and easy to use.

Change the color of your placed wool blocks

Just Bedwars plugin, BUT translated to polish version

A Starter Kit Plugin That Will give Users items When the join the Server for the First Time

It's Fun.

Simple auto and manual drop remover.

FluidLimit

Scare your players with 1 simple command!

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

BoneMealFix - No more bone meal nerf!