- [Kill Bill](https://killbill.io/) - Subscription billing & payments platform. Have access to real-time analytics and financial reports. ([Source Code](https://github.com/killbill/killbill)) `Apache-2.0``Java/Docker`
- [Kresus](https://kresus.org/) - Personal finance manager. ([Demo](https://kresus.org/en/demo.html), [Source Code](https://github.com/kresusapp/kresus)) `AGPL-3.0``Nodejs/Docker`
- [Lago](https://www.getlago.com/) - Metering and usage-based billing. ([Source Code](https://github.com/getlago/lago)) `AGPL-3.0``Docker`
- [Maybe](https://maybe.co/) - An OS for your personal finances built by a small team alongside an incredible community. ([Source Code](https://github.com/maybe-finance/maybe)) `AGPL-3.0``Docker`
- [MyFin Budget](https://myfinbudget.com) - Personal finances platform (web + REST API + Android) that'll help you budget, keep track of your income/spending and forecast your financial future. ([Demo](https://github.com/afaneca/myfin?tab=readme-ov-file#demo-account---try-it-for-yourself), [Source Code](https://github.com/afaneca/myfin), [Clients](https://github.com/afaneca/myfin-api)) `GPL-3.0``Nodejs/Docker`