Billy is a billing and financial management tool built for freelancers and small agencies. It handles the core tasks of creating invoices and quotes while tracking income and expenses, all within a single interface.

Customizable Invoices and Quotes: Build professional documents using a block editor. Invoice numbers are generated automatically in a unique, sequential order to meet legal requirements. Real-time Calculations: Totals for line items are calculated instantly as you work, reducing manual errors and saving time. Integrated Financial Tracking: Monitor earnings and expenses in one place. The system uses custom post types to organize your billing data privately on your own site. PDF Export and Customization: Download any invoice or quote as a PDF. The HTML and PDF output can be fully customized using block templates or filter hooks for a branded look. Privacy-Focused Design: All billing information is set to private by default. No data is shared with third parties, keeping client details confidential.