ServerSay
Truemmerer

Write in the Chat as the server

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

Kick voting
lag01

Allow players to vote to make life of selected griefers and especially agressive players harder.

Admin Toys
wilkgr76

Tools for admins to have fun with cheating and otherwise rule-breaking players

Blood Bane Sword
Blocky Player

OP sword for moderators. In memory of an old teacher, who had a mod similar to this on a private server.

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Invisible Blocks
Truemmerer

Add invisible Blocks

Bounty
csirolli

Place bounties on players

Chat History
sorcerykid

Interactive chat history viewer with a variety of message filtering options

Shortcut
Derevio

Adds the ability to set shortcuts to commands.

player actions
GigaByte

shows the actions of a player

Staff Channel
_Xenon

Write messages only to staff