Express Invoice

Invoice Manager for Excel transforms standard spreadsheet templates into a powerful, database-backed billing system. Built on a robust .NET and WPF architecture, it seamlessly integrates with Microsoft Excel, connecting customizable front-end worksheets to a secure database. Users retain the design flexibility and calculation power of native Excel formulas while automating essential accounts receivable workflows. Key Features: 400+ Templates: Customizable layouts for invoices, quotes, and purchase orders. In-Cell Smart Pickers: Instantly search and retrieve client profiles and product data. Audit Controls: Automated sequential invoice numbering. Unified Workflow: One-click PDF export and direct email integration. Receivables Tracking: Built-in payment logging and aging reports to manage cash flow. Deployment Options: Available via multi-device subscriptions on the Microsoft Marketplace. A lite version is also available as a free web add-in.

LuckPanda is a browser-based business app for small businesses and freelancers. Sales creates quotes, invoices, pro forma invoices, receipts, credit notes, sales orders, recurring invoices, payment links and reminders in multiple currencies, with country-specific tax formats. CRM manages clients, contacts, leads and pipelines. Finance supports payments, accounting, banking and reports. Compliance covers GST, e-invoicing, e-way bills and verification. Purchasing and Inventory are in development; planned tools include vendor and purchase-order workflows, bills, item and warehouse records, and stock movements. Drafting, editing and branded PDF downloads are free; paid modules are required to issue or send documents, collect payments, or download clean PDFs. The REST API and MCP server support authorized searches and drafts; people approve external actions. Free tools include invoice, quote and receipt generators, GST, VAT and sales-tax calculators, and GSTIN and IBAN checkers.