Colored Chat Text
Bob64

This makes the minetest chat messages a different color depending on what you set it to in the settings.

Advanced Chat
LMD

A library for advanced chatting.

Telegram
neko259

Integration with telegram messenger chat

Messages Filter
Atlante

This mod allows you to filter the messages sent in order to maintain calm in your server.

Shortcut
Derevio

Adds the ability to set shortcuts to commands.

Notices
LandarVargan

Adds chatcommands server staff can use for announcements

Geminti
Zemtzov7

Gemini integration into Luanti chat

Copy From Chest
zeronumbers

Adds server command copy-from-chest that copies items from chest at x y z to player.

Random Messages
1F616EMO

Register random announcements

Ascend
kestral

Ascend by chat command, if possible.

capital
GigaByte

add a capital command

verbana
fluxionary

verification and banning

Chat Tools
theFox

chat commands that people might need

Matterbridge Player Events
cj_clippy

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

CStrict
Logikí

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

Chat Filter
xXNicoXx

Minetest Chat Filter a simple but usefull minetest chatfilter mod made by xXNicoXx

DTools
Logikí

this gives tools for developers

ping
GigaByte

show your ping

Modding Commands
DragonWrangler

Adds Hopefully helpful commands for modding

bug command
fluxionary

adds a command that submits a bug report to a github repo.

Chat2
lag01

Complements game built-in chat or replaces it.

Pos Marker
1F616EMO

Add markers that can set and get via chatcommand.

DoAs
Zemtzov7

Execute commands on behalf of another player

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

Player Status
Thresher

Allows you to set and get the in-game status of players

Voxelforge /sit and lay commands
VoxelForge

Sit and lay using chat commands

2048
SkyBuilder1717

Adds simple 2048 game

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.

Block / Unblock users
jesuistitus

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

PlayerInfo
niwla23

Players can set their info and others can see it