Bukkit

Guarantees players available space, resouces, and active neighbors, even on a high-population server.

Hide messages or errors from server console and logs.

Override /server

replacement for faction chat with faction 1.7.8+

Control how long day and night last.

CompatNoCheatPlus

Prevent pvp loggers from getting their way!

Protect your item frames, paintings, armor stands and leash knots! Very simple to use.

PerWorldPlugins allows plugins to be set to hook onto certain worlds using the config.

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

A plugin to prevent players from leaving within a fight.

Advanced secure for region from WorldGuard

Player can buy and sell and send EXP (Register, iConomy5, iConomy6, Vault)

PerWorldPlugins allows plugins to be set to hook onto certain worlds using the config.

EntityManager

Keep yours creatives in the line!

Prevention of hacks and other malicious tinkering on a Minecraft server.

Stables provide steed protection, and other horse related things.

UltimatePlugin

Tree felling is easy when they pop like cacti