Sign in with your platform: Discord, Fluxer, Stoat or Twitch, or with Facebook. You can link the others to your account afterwards.
Discord, Fluxer, Stoat or Twitch: sign in with whichever you like. The servers and channels of every platform linked to your account are all in one place.
For your personal space (profile, My networks…). To manage servers, you'll then link Discord, Fluxer or Stoat.
Instagram uses your Facebook sign-in (via Facebook).
One Dispatch.IO account can hold Discord, Fluxer, Stoat, Twitch and Facebook: once signed in, link your other accounts from "Linked accounts".