The best alternatives to SimpleLogin are Nylas, InboxKitten, and SuperTokens. If these 3 options don't work for you, we've listed a few more alternatives below.
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Guidde— Explain any process instantly with AI video documentation
We offer simple email and password auth and also manage session tokens in the most secure way possible. We're free, built for and by developers (who have had to struggle with auth several times in the past). Our solution is modular and easy to implement.