* [Lago v1.47.0](https://github.com/getlago/lago) – Programmable API for usage-based billing designed for product-led SaaS.

* [Flexprice 2.1.17](https://github.com/flexprice/flexprice) – Usage metering and billing infrastructure designed for AI companies to streamline pricing models and track usage.

* [LedgerSMB 1.13.6](https://github.com/ledgersmb/LedgerSMB) – Web-based double-entry accounting and ERP system for small and medium businesses.

* [YETI 1.15.13](https://github.com/yeti-switch/yeti-web) – Admin interface for managing SIP SBC with billing and multiple database support.