TchêGrana — collaborative finance SaaS

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TchêGrana is a production-ready SaaS for collaborative personal finance — built forfamilies, couples and groups who want to manage money together with transparency,while keeping individual privacy. The pitch: "the control of a spreadsheet, with theease of an app."It's fully built and live in production — client web app, admin panel, marketinglanding, a Java backend, PostgreSQL and Stripe subscriptions (monthly + annual). Not aprototype: real auth (email + Google), payments, webhooks, transactional email and CI/CDare all wired and running.WHY IT'S INTERESTING• Underserved niche: shared/family finance for the Brazilian market (PT-BR, BRL, LGPD-aware).• The hard parts are done — Stripe billing, multi-tenant workspaces, roles/invitations, statement import, recurring transactions. Huge head start vs. building from zero.• Free public financial tools (calculators, financial diagnosis) already act as a lead magnet.KEY FEATURES• Shared & private accounts, transactions, transfers, balance adjustments• Budgets, savings goals, recurring expenses/installments, cash-flow forecast• Income-based expense splitting (contribution split)• Bank-statement / spreadsheet import (.xls/.xlsx) → auto-categorized entries• Multi-member workspaces with email invitations & roles• Fast dashboards: monthly surplus, evolution, "where I spent", net worth• Light/dark mode, fully responsive, recently redesigned to a mature financial-SaaS UITECH STACK• Frontend: React 19 + TypeScript + Tailwind (client), Vite (admin), Recharts• Backend: Java + Spring Boot, PostgreSQL (Flyway migrations), JWT + Google OAuth• Payments: Stripe subscriptions, webhooks, billing portal — monthly & annual plans• Infra: Docker + Caddy (HTTPS) on a VPS, GitHub Actions CI/CD, SMTP transactional emailWHAT'S INCLUDED• Full source code (client, admin, landing, backend) with git history• Domain tchegrana.com.br + subdomains• Deployment setup (Docker, CI/CD, infra docs) and Stripe plan configuration• Brand assets (logo, favicon, design system)• Handover support & documentationSTATUS• Live in production (client, admin, landing and API all deployed)• New project — pre-revenue, sold as a complete, deployed codebase + brand ready to growGREAT FORA solo founder or small team wanting a ready-to-launch fintech in the Brazilianfamily-finance niche — skip 6–12 months of full-stack build and go straight to growth.