* [Lago v1.48.0](https://github.com/getlago/lago) – Programmable API for usage-based billing designed for product-led SaaS. * [YETI 1.15.19](https://github.com/yeti-switch/yeti-web) – Admin interface for managing SIP SBC with billing and multiple database support. * [Meteroid v1.0.0-rc5](https://github.com/meteroid-oss/meteroid) – Cloud-native pricing and billing infrastructure for product-led SaaS, supporting usage-based billing, invoicing, pricing models, and revenue insights.