Bukkit

Keeps you server stable with high TPS, protects against griefing, explosions and other trolling

Cop allows mods to hide, watch and check up on players

A small plugin that adds tools for servers of all kinds!

A simple, but highly efficient banning plugin.

Password authentication for offline servers (1.14 onwards!)

Allows users to create custom regions by just placing a single block

ProtectAnimals

AccountGuard (IP Account Protection)

AntiVirus for Bukkit!

a plugin that adds in essential commands

A plugin to prevent players from leaving within a fight.

Log ores being mined to look for cheaters.

An easy, fast, custom way to set up your lobby or spawn

A simple jail plugin.

Diamond counter

Deny the spawning of mobs by Spawn Eggs (And Snow Golems!)

KUrlLogin

Completely makes entity radars useless to hackers.

SuperChat

Adds Companies and Stocks to Minecraft!