Bukkit

Caps those laggy mob-grinders by limiting the number of mobs that can spawn in a region over time

A great Bounty plugin for presenters. No Lag, Turkish supported, handy Bounty plugin

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

Plugin that disables users from using buket's and spamming/throwing eggs

Automatically send item drops to your inventory when broken. Popular on Prison servers to reduce lag.

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

LAG-FREE item generators

Lag prevention made by The_Gang

A Paper plugin that changes view distance based on server lag!

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

Simulate lag for those players that just won't leave you alone!

A plugin that allows the invisibility of other players to reduce lag.

Removes XP Orbs on Player Death preventing Massive XP amounts to cause Lag.

Ensures that your server can't be lagged out by minecarts

[MECH] LessMobLag - Prevents Server-Side Mob Lag By Preventing Pointless Spawns

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

LagMonitor

Remove the bubbles from experience potions for a more satisfying feeling!

LaglessWeather

Reduce lagg from you server without players knowing.

A simple, lightweight plugin for reducing mob lag.

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

Allow user to report server Lag

LobbySystem | Easy configuration and no lag

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