Question: I need a way to speed up my SaaS development, are there any kits that can save me weeks of work?

If you want to go full-on SaaS and speed up your development, ROQ is a good option. It's a suite of features for building multi-tenant, multi-role SaaS apps, including secure database queries, authentication, authorization, billing and AI-boosted data modeling. With ROQ, you can get a secure, scalable app up and running in a fraction of the time it would take to build it from scratch, cutting weeks off of your development time.

Another option worth considering is Staarter, a Next.js SaaS boilerplate that comes with a lot of the core features already set up, including strong authentication and authorization, subscription management with Stripe, Paddle or LemonSqueezy, and full localization support. It also comes with a modern stack, type-safe API, code generators and strong security, and is designed to save developers more than 50 hours of development time.

For SaaS apps that use AI services, SaaS AI is a Next.js starter kit that makes it easier to integrate AI services like OpenAI and LangChain. It also includes features like AI integration, user authentication with Supabase, Stripe-based subscription management and a variety of SEO-optimized landing pages. It can save you at least 46 hours of development time, so it's a good option if you want to get up and running fast.

Last, SvelteLaunch is a full boilerplate designed to help you build high-quality, scalable SaaS apps. It includes features like server-side authentication, PostgreSQL database support, customizable checkout flows and integration with OpenAI for a variety of AI features. For a one-time payment of $199, you can use the boilerplate for an unlimited number of projects, so it can save you a lot of time and effort up front for a robust app.