SuperTokens is an open source authentication solution offering features like: Different types of login: Email / password, Passwordless (OTP or Magic link based).

SuperTokens.com

Is there a way to route directly to the sign up or sign in form? Right now, i have a "Sign Up" and "Sign in" button and they both load the "Sign Up" form

Yes. It is possible to route directly to those forms. Checkout the redirectToAuth function. It has an argument using which you cans tell it which form to show.

Supertokens has been working out great for me so far