Question: I need a solution that provides built-in user management with password hashing, email sign-ups, and logins, and integrates with third-party providers.

If you're looking for a more powerful option that comes with built-in user management features like password hashing, email signups and logins, and support for third-party providers, Supabase is a top contender. It's an open-source Firebase alternative that includes a Postgres database, user authentication and real-time data sync. Supabase supports frameworks like Next.js, Svelte and Flutter, and has templates for common use cases like Stripe Subscriptions and AI Chatbots. It offers a free tier with unlimited API requests and 50,000 monthly active users, so it's good for small to large projects.

Another top contender is Clerk, a full-stack user management service that makes authentication and user management a breeze. It comes with a set of embeddable UI components, flexible APIs and admin dashboards. Clerk supports multifactor authentication, social sign-on and a range of other security features. It can be integrated with popular frameworks and tools and supports multi-tenancy with custom roles and permissions. Clerk has a free tier for up to 10,000 monthly active users, so it's good for small to medium-sized apps.

PropelAuth is another powerful option, particularly for businesses that need multi-tenant authentication and authorization. It supports multiple sign-in options, SAML integration and a range of other security features. PropelAuth is designed to get businesses up and running quickly, with features like customizable roles and permissions, SSO and 2FA. It has a transparent pricing model with tiers for different size businesses, including a free tier for up to 1,000 MAUs.

Backendless is a full-featured suite for building high-performance apps with a big focus on user management. It supports 18+ third-party authentication providers, session management tools and customizable email and push notifications. Backendless offers flexible deployment options and integrates with a range of third-party services. It's a good option for developers who want a low-code option with powerful user management and easy integration.