SupaLaunch is a comprehensive SaaS boilerplate built with Next.js and Supabase, designed to accelerate the development of full-stack web applications. It integrates essential features such as authentication (including email and Google login), a PostgreSQL database, image storage, APIs, Stripe payments (supporting both one-time and subscription models), and email functionalities. The platform offers a pre-built landing page crafted with Tailwind CSS and DaisyUI, encompassing customizable sections like navbar, partners, features, pricing, FAQ, and footer. SupaLaunch also includes a markdown-based blog for SEO-friendly content management, AI components with OpenAI API integration and streaming, and supports over 20 UI themes. Additional features comprise built-in SEO tags, an automatically generated sitemap, website analytics, and programmatic email sending via MailerSend. The boilerplate is structured to facilitate rapid project setup.