Question: I'm looking for a platform that can help me launch a SaaS application quickly, with built-in features for user management and payment processing.

If you need a platform to get your SaaS app up and running quickly with built-in features for user management and payment processing, Kobble is a great option. Kobble is an all-in-one solution with authentication, payment integration with Stripe, user management and a no-code authentication portal. It also integrates with modern frameworks like Next.js and comes with a built-in frontend with pre-built authentication and customer portals. With a tiered pricing system that includes a free plan, Kobble lets developers focus on their business and get to revenue faster.

Another good option is ROQ, which offers a full data and API layer for building multi-tenant, multi-role SaaS apps. It includes secure database queries, user authentication with social logins, multi-tenancy, role-based access control and payment integration with Stripe. ROQ also offers AI-assisted data modeling and automated schema deployment, so you can build and deploy secure, scalable and resilient SaaS apps faster.

If you're looking for a Next.js-specific option, Staarter offers a pre-configured boilerplate that includes strong authentication and authorization, subscription management with Stripe, Paddle, or LemonSqueezy, and full localization support. The boilerplate also includes an intuitive admin dashboard, billing management, analytics tracking, and strong security, all for a one-time payment of $399 that saves you a lot of development time.

Last, SaaSBold is a full-stack, production-ready SaaS boilerplate built on Next.js, React and Node.js. It includes necessary integrations and features like payments and subscriptions with Stripe and LemonSqueezy, transactional emails, and multidimensional authentication. With one-click deployment on Vercel and SEO and performance optimization, SaaSBold is a good option for a smooth SaaS product development.