Chasa

Chasa is an AI-powered tool that helps freelancers and small businesses draft professional payment reminder emails for overdue invoices. The service automatically adjusts the tone based on how late an invoice is—friendly for early reminders, firmer for later ones—and lets users edit and send messages from their own inbox while maintaining client relationships. It offers free templates, integrations with accounting platforms like QuickBooks and Xero, and paid plans with additional features like SMS drafts and email tracking.