Production-ready Next.js 15 boilerplate for building an AI-powered invoicing SaaS. Includes Stripe subscriptions, 8 AI providers (OpenAI/Groq/Claude/Gemini/Mistral/DeepSeek/Grok/Cohere), PDF generation with 3 templates, recurring billing, client portal, email via Resend, analytics, and admin panel. Runs locally in 5 minutes. MIT license. $97 one-time.
