Blacklist Name
ANAND

Blacklist offensive names, forcing players to join with different names.

Matterbridge Player Events
cj_clippy

Sends a message to the matterbridge when a player joins/parts

Advanced Chat
LMD

A library for advanced chatting.

verbana
fluxionary

verification and banning

elysium
GigaByte

add a elysium command

CStrict
Logikí

This gives protection in chat from bad persons, from cursing & swearing

Server News
Thresher

Shows players the server news when they log in

Clean Chat
MineTestDad

Parents wish to protect their children from possibly harmful words in chat. This allows them to maintain a list per player, which the parents in lieu of their children can extend by themselves.

player actions
GigaByte

shows the actions of a player

Voxelforge /sit and lay commands
VoxelForge

Sit and lay using chat commands

Seed of the World
Flay Krunegan

Show the seed of the world

Time and Date Stamps
Bob64

This mod overrides the default chat format so that it also contains the date and time that the message was sent.

PlayerInfo
niwla23

Players can set their info and others can see it

Block / Unblock users
jesuistitus

The "Block / Unblock users" allows players to block and unblock messages from other players in the chat.