Bukkit

BlockedMobs

It's enough that one player sleep in order to night to day.

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

Protect your bungee internal servers from offline-mode hackers

Adds exhaustion to a player every time he catch a fish.

Forces players using beds to leave the server! For hardcore servers!

No more rain!

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

InstantRespawn

Seed

Use a command to get the UUID of any player!

Somethin' be blowin' up me stuff!

Deal with LeaveSpammers.

BlockNameChanging stops players from changing their names, so you can update your plugins.

Comando desconocido

Improves the vanilla CraftBukkit chunk sending algorithms, as well as providing more control over chunk sending.

No more overpowered mcMMO Axes! You can't put sharpness on an axe anymore!

Bandage-fix for maps in multiworld setups

Allows wireless redstone circuits in variety of configurations

Simplify the Gamemode Command