If you're looking for a replacement for SvelteLaunch, Staarter is a good option. It's a Next.js SaaS boilerplate that's designed to get you up and running faster with preconfigured core features. Staarter comes with robust authentication, billing integration with payment gateways, support for multiple languages and an easy-to-use admin interface. It also comes with a modern tech stack, type-safe API, code generators, testing tools and security. For a one-time payment of $399, Staarter promises to save developers over 50 hours of development time.
Another good option is SaaS AI, a Next.js starter kit for building web apps with AI. It includes a variety of AI services, like OpenAI, and user authentication with Supabase, Stripe-based subscription management and SEO-optimized landing pages. SaaS AI also includes a free Postgres database through Supabase and a variety of UI components. It's available in Pro ($199) and Starter ($99) versions, with lifetime updates and access to a private Discord community.
If you're looking for a full-stack option, you might want to check out SaaSBold. This production-ready SaaS boilerplate is built with Next.js, React and Node.js and includes integrations for payments, subscriptions, transactional emails and AI services. It comes with an admin interface, newsletter integration and multi-dimensional authentication. SaaSBold is also optimized for SEO and performance, with lifetime free updates and premium email support for one year, all for a one-time payment.
Last, Kobble is a full-fledged platform for bootstrapping SaaS apps. It includes authentication, payments and emailing out of the box, along with built-in tools for user management and access control. Kobble supports multiple OAuth providers and integrates with Stripe for payments. It also includes a tiered pricing system, including a free plan, so it's a good option for developers who want to get their SaaS products up and running quickly.