RentFlow is a full-stack Flutter + Node.js rent management app for families, with live sync, voice commands, QR payments, tenant documents, WhatsApp reminders, reports, and MongoDB backend.

Multi-tenant property management — track renters, leases, payments, and generate PDF receipts

全方位房東管理助手：支援 113 年電費新舊制切換、自動計算合法平均電價，並整合水電瓦斯、租金管理與資料備份功能。 An all-in-one landlord manager supporting both new and old electricity billing systems. Includes automatic legal price calculation, utility tracking, and data backup.

Property Management ERP for managing units, tenants, rent collection, maintenance, and property operations. Built with APPNEURAL.

A PHP-based web app to calculate and manage room rent with electricity bills. Features record tracking (ordered by date, descending), PDF export with TCPDF, and rent trend visualization using Chart.js.

Official KHUTABARI Portal: A dedicated platform for tenants to submit electricity meter readings and view monthly rent bills.