Client Portal + Invoicing SaaS

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A launch-ready pre-revenue SaaS built for freelancers and small agencies. It combines project management, file sharing, messaging, and invoicing in one clean, mobile-friendly app.Freelancers get a private dashboard for each client. Each client gets their own portal to view project status, approve deliverables, upload files, and chat directly with the freelancer. The invoicing module generates Stripe Payment Links and auto-updates invoice status when payment is received. A built-in subscription structure (Free / Pro / Agency) is already designed, giving the buyer a clear path to recurring revenue from day one.The product is complete — the buyer just needs to add their own Stripe API keys and start onboarding clients.Target market: millions of freelancers and small agencies worldwide who currently juggle 4-5 tools (Trello, Google Drive, WhatsApp, Excel, and a separate invoicing tool) to manage client work. Competitors include HoneyBook ($39/mo), Dubsado ($20/mo), and Bonsai ($25/mo) — this product offers the same core value at a fraction of the price.Built on Base44 (AI-powered no-code platform). Frontend: React, TypeScript, Tailwind CSS. Stripe integration ready for payment links. Mobile-first PWA, deployable to any custom domain.Asking price: $3,500 (negotiable for serious buyers).