Bukkit

Stack mobs in a highly efficient way to decrease server and FPS lag.

Remove lag on your Bukkit server with this easy to use plugin

Clears lag on your server!

Lets you check the server lag, in ticks-per-second

Can Be Used To Notify A Player If They Are Lagging

Make sure the server hasn't lagged out!

Clears items, that drop on player death! Reduces Lagg!

Simple, lag-free, fake op plugin that you can use to troll your players!

Reduce or remove all server lag, Use 2x less ram as before!

A simple plugin, to check of your server has any lagg, and any lagg fixes

This plugin will allow you to test if your server has lag on it.

A plugin that can make massive edits to the world without lagging it.

Protect your chests, furnaces, hoppers and much more in style without lagging out your server!

Have you ever wanted McPvP's Lag plugin? Then this is the plugin for you!

Reduce lagg from you server without players knowing.

Checks Lag and issues a warning to OP's when resuorces are low

MercilessNoRain is an extremly lightweight plugin that removes rain which can cause lag.

Cancel domage or death, due to a lag or regen, when a player log on or is teleported.

Possibly the greatest anti-lag plugin there is!

Limit Pointless Mob Spawns + Reduce Lag!

LagFixer will increase your server performance! Lightweight and efficient at the same time!

LaglessWeather

Lag client side, this plugin will hide players and disable in and out coming chat on command...

Hide Other Players To reduce Lag!

Tool for culling zombies to reduce lag, while getting "pet" zombies with names