If you want to banish password-based security risks from your app, there are plenty of mature options. MojoAuth is a good one, with a passwordless authentication service that's secure and easy to use. It's universally compatible and offers features like white label login forms, code and no-code integration, and lots of customization. MojoAuth is used by more than 5,000 companies and 200 million identities, so it's a good option if you want to keep your users' data safe.
Another good option is Auth0, which offers access management with a range of features like Universal Login, Single Sign-on and Multifactor Authentication. It's flexible and scalable, with support for more than 30 SDKs and Quickstarts. Auth0 offers a lot of developer tools, including APIs, documentation and tutorials, so it's good for everything from small startups to big businesses.
PropelAuth is another good option, particularly for B2B products. It offers full multi-tenant authentication and authorization support, along with a range of sign-in options and other security features. PropelAuth's pricing is transparent and its feature set is broad, so it's a good option for companies of any size that want to concentrate on their product while keeping users safe.
Last, Clerk is a full-stack user management service with a range of embeddable UI components and flexible APIs. It supports multifactor authentication and other advanced security features, so it's a good option for apps that have more complex authentication needs. Clerk's free tier is good for small to medium-sized apps, and its Pro and Enterprise tiers offer more support for bigger businesses.