Add Lago to Money, Budgeting & Management

Lago provides a free Open Source solution for Metering and Usage-based Billing.

README.md

@@ -1361,6 +1361,7 @@ _See also: [awesome-sysadmin/IT Asset Management](https://github.com/awesome-fos
 - [Invoice Ninja](https://www.invoiceninja.org/) - Powerful tool to invoice clients online. ([Demo](https://app.invoiceninja.com/invoices/create), [Source Code](https://github.com/invoiceninja/invoiceninja)) `AAL` `PHP`
 - [InvoicePlane](https://github.com/InvoicePlane/InvoicePlane) - Manage quotes, invoices, payments and customers for your small business. `MIT` `PHP`
 - [Kresus](https://kresus.org/) - Open source personal finance manager. ([Demo](https://kresus.org/en/demo.html), [Source Code](https://github.com/kresusapp/kresus)) `MIT` `Nodejs`
+- [Lago](https://www.getlago.com/) - Open-source metering and usage-based billing. ([Source Code](https://github.com/getlago/lago)) `AGPL-3.0` `Shell`
 - [OnTrack](https://github.com/inoda/ontrack) - A simple app to track spend and set goals. `MIT` `Ruby/React`
 - [PartKeepr](https://www.partkeepr.org) - PartKeepr is an electronic part inventory management software. It helps you to keep track of your available parts and assist you with re-ordering parts. ([Demo](https://demo.partkeepr.org/), [Source Code](https://github.com/partkeepr/PartKeepr)) `GPL-3.0` `PHP`
 - [REI3](https://rei3.de/home_en/) - Open source, expandable Business Management Software. Manage tasks, time, assets and much more. ([Demo](https://rei3.de/demo_en/), [Source Code](https://github.com/r3-team/r3)) `MIT` `Go`