Bukkit

LightFixer

Custom cobblestone generator output - fix for obsidian generator in 1.8

AntiSeePlugins is a plugin that says a personalized message when you type some commands like /pl, /?, etc

Single-server, multi-world spawn and portal system.

Randomly give zombies that spawn underground a pickaxe.

Spinning dragons since 2012.

Prevent obtaining enchanted items from fishing.

LogManage

A message to the player when he joined the server.

GoogleChat

Passwords provide an extra layer of protection against malicious hackers.

creaturebox allows you to control mob spawners and move them.

ChestGenerator makes servers less laggy when it comes to item generators.

Lock every command with extra permissions! (/plugins, /warp vip, /kill)

NoCurse

SwearControl

RealisticDay

A plugin that allows players to disabled PvP for themselves.

This is a plugin that could block most of the hackers from entering the server

PreventDrops prevent item drop when no player is involved