So you can track that person that keeps changing their username
Log messages when they are deleted or edited, users who join and leave, and moderation actions.
Deep logging available, as per the bot description
Message Logs, Image Logs, Reaction Logs, Role Logs, and Invite Logs. Find out what invite code a user used to join your server, and who invited them!
Wick will log anything security related in a channel of your choosing in the most detailed way possible. It also logs any moderation acction made.
As well as allowing any user to post any emote, NQN allows moderators to create a special channel to log messages the bot has reposted.
Record the changes on your server, I'll send you updates to channel of your choice about Server changes, Channel changes, User changes & Role changes. We don't do deleted messages though because we respect everyones privacy.
Mirai allows you to define an event channel where selected events are recorded. This allows you to have an easily visible log of moderation actions with their reasons. Username and nickname changes can also be logged.
Logs many servers into a channel named #bump
Configurable logs, every action you'll know it even channel's permissions overwrites.