Utili is a bot which adds a great number of features to your server, all of them with plenty of customisable options on the dashboard at https://utili.xyz/.
Automatically deletes messages
⭐ Voice-Text Linking
Makes a text channel visible to people in a voice channel
Create an embed and keeps it at the bottom of a channel
⭐ Filter Messages
Deletes messages which don’t fit the rule you set
⭐ Join Roles
Gives several roles to users when they join the server
⭐ Role Persist
When someone leaves and rejoins the server, their roles are added back to them
⭐ Message Logs
Logs deleted and edited messages
… and 7 more useful features in an ever-growing list.