A pack of independent utilities, including:

- `szutil_chatsocket`: Expose in-game chat stream as a unix-domain socket for arbitrary chat integrations.
- `szutil_chatsounds`: Configurable beep notifications for in-game chat.
- `szutil_clocksync`: Synchronize in-game clock smoothly with real-time clock so users can log in at predictable times of day.
- `szutil_consocket`: Expose an admin console as a unix-domain socket for clientless admin via ssh.
- `szutil_controlhud`: Togglable on-screen input control HUD, useful for demo recording.
- `szutil_fixhack`: Fix lighting and fluid bugs automatically and continuously in background.
- `szutil_lagometer`: Optional on-screen server performance meter HUD.
- `szutil_logtrace`: Allow privileged players to monitor server debug trace in chat.
- `szutil_maplimitfx`: Display particle visual at hard map boundaries.
- `szutil_motd`: Display a formspec MOTD to players on login, only if updated since the last view.
- `szutil_nowonline`: Periodically display cumulative list of online players, for chat bridges.
- `szutil_nukeplayer`: Adds a /nuke_player command to completely destroy a player account.
- `szutil_revokeme`: Fixes missing /revokeme admin command.
- `szutil_roles`: Manage privs via special privs that represent groups of other privs.
- `szutil_stealth`: Make a player as close to completely invisble to players as possible, for moderation or spectation use.
- `szutil_suadmin`: Change admin access to be based on a /su (password) command, instead of by player name.
- `szutil_telecode`: Teleportation by opaque codes that can be shared, saved, and published.
- `szutil_usagesurvey`: Collect usage statistics per-mapblock on how each is being used (e.g. for pruning lightly-used portions of the map).
- `szutil_watch`: Allow privileged players to attach to and spectate other players.

Each mod in the pack is effectively independent, and they can be enabled/disabled individually.  Mods are distributed as a single pack because they have a single shared maintenance/release cycle.