InvoicePlane

The application provides a self‑hosted web interface for handling the full billing cycle of a small business. Users can create, send, and track quotes and invoices, store detailed client records, and monitor payments with reminder features. It supports one‑click online payment integration, customizable templates and themes, and generates reports on financial activity.

Designed for flexibility, the system offers multilingual support, custom fields, and basic project or task tracking, allowing businesses to adapt the interface to their workflow. Security updates in recent releases add PHP 8.2+ compatibility, XSS and file‑inclusion fixes, and SVG upload restrictions, helping to protect sensitive financial data.

The software is released under the MIT license, is free to install on any server, and is maintained by an active community that provides documentation, forums, and Discord channels for support and contributions.