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.
⭐ Autopurge
Automatically deletes messages
⭐ Voice Text Linking
Makes a text channel visible to people in a voice channel
⭐ Message Voting
Automatically adds emotes to all messages in a channel, or just messages which follow a rule. (eg. media)
⭐ Notices
Creates an embed and keeps it at the bottom of a channel
⭐ Message Filter
Deletes messages which don't fit the rule you set, such as images, videos, media or music
⭐ Channel Mirroring
Mirrors messages from one channel to another using the sender's avatar and username
⭐ 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 more useful features in an ever-growing list.