AntiSpoof
1F616EMO

Preventing confusable usernames

One For All
mt-mods

bans all players if one dies

Vote Day
niwla23

This adds a command to vote for making day!

Envelopes
archfan7411

Write and address an envelope to another player!

Auctions
Athozus

Adds ingame auctions

Entities Protection
Impulse

Protects entities from attack in protected areas

moneybag
Giga_M

add money bag

Interact
Amaz

A mod that gives the interact priv to players who want it and who have agreed to the rules.

Dynamic Passgate
fulgidus

Invite-only server gate with dynamic per-user passwords

Ghosts
LMD

Adds fancy particle ghosts

TP Gate
AiTechEye

Teleport through the gate

BitChange
Krock

Money items for your world. You can mine bitcoins. Sort of.

Chat Tools
theFox

chat commands that people might need

Admin mailing list and report
1F616EMO

Add mailing list for admins and moderators, and a report function

BabelFish Mail
1F616EMO

Translate mails into the player's preferred language

Directions
1F616EMO

Lines laying on the ground to guide directions

Verbana GUI
Luke

A GUI for verbana

Towny
livphi

Town based protection system

canonical name
fluxionary

api to get the proper capitalization of a name

YL Ticker
AliasAlreadyTaken

Displays messages once per timeframe

verbana
fluxionary

verification and banning

Chat3
octacian

Makes chat on a populated server much easier to understand and keep up with.

Grant interact on chat
1F616EMO

Grant newcomers interact only after they speak

LocalChat
qPexLegendary

Adds local and global chat

filter++
rstcxk

censors swears in the player chat using the filter++ liberary

Server Essentials
jolethen

An essential mod for any server

Chat translate
ksandr

Adds commands to translate chat messages into the recipient's language.

Blacklist Name
ANAND

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

Spawnarea
Casimir

Players spawn and respawn within an area around the center of active players.

Keyring
louisroyer

Adds keyrings.

Prejoin Messages
Gregon

Notifies players when a player starts connecting to the server

Send Stack
ChimneySwift

Adds a command to send the stack you are holding to another player (requires ban priv)

Chat+
PlamiumAI

Improve the chat

FediAuth
localhost

Verification/authorization via Fediverse based on (t)otp

Interest for Unififed Money
1F616EMO

Grow your assets over time

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

Random Messages
1F616EMO

Register random announcements

Chat Games API
Impulse

An API to build chatgames like those in the chatgames

Vote Night
Holly Mae

Allows players to vote for it to be night

Extended Protection
1F616EMO

Extended interaction restriction rule