Basic
- Discord: for Anki server members
- GitHub: For Anki/Ankidroid devs
- Twitter and FB are meh, not really a need to have them
Standard
- Google: for AnkiDroid (Play Store) users
- Apple: for AnkiMobile users
- Single-sing-on (SSO): for every AnkiWeb user
- will be able to check user account in case of deck deletion more easily, send release updates via discourse or another warning for deleting decks in case the first email get flagged by Outlook
While SSO is overengineering, the others are great enhancements
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