To interact with your Twitch, StreamElements, Streamlabs or if you want to Auto Update on the alpha/beta update channel you need to login here.
This is used for listening to events like Follow, Sub, GiftBomb, etc.
If you want to use the auto updater on the alpha/beta update channels you will be required to log into the Streamer.bot Website, this is required to receive all updates. Access to the alpha/beta update channels you are required to have these roles assigned to your discord user profile which can be acquired via the Streamer.bot Discord.
This is used for the Donation event.
This is used for the Merchandise and the StreamElementsTip events.