Add BitcartCC to Money, Budgeting & Management section (#3078)

README.md

@@ -1280,6 +1280,7 @@ _See also: [List of streaming media systems - Wikipedia](https://en.wikipedia.or
 _See also: [awesome-sysadmin/IT Asset Management](https://github.com/awesome-foss/awesome-sysadmin#it-asset-management)_
 
 - [Akaunting](https://akaunting.com/) - Akaunting is a free, online and open source accounting software designed for small businesses and freelancers. ([Source Code](https://github.com/akaunting/akaunting)) `GPL-3.0` `PHP`
+- [BitcartCC](https://bitcartcc.com) - A self-hosted cryptocurrencies payment processor and development platform. ([Demo](https://admin.bitcartcc.com), [Source Code](https://github.com/bitcartcc)) `GPL-3.0-or-later` `Docker/Python/Nodejs`
 - [BTCPay Server](https://btcpayserver.org/) - A self-hosted Bitcoin and other cryptocurrencies payment processor. ([Demo](https://mainnet.demo.btcpayserver.org/), [Source Code](https://github.com/btcpayserver/)) `MIT` `C#`
 - [Budget App](https://github.com/paukiatwee/budgetapp) - Budget App is an open source personal budgeting application. `Apache-2.0` `Java`
 - [budgetzero](https://github.com/budgetzero/budgetzero) - Free, self-hosted, open-source, envelope-budgeting web and desktop app. ([Demo](https://app.budgetzero.io/budget)) `AGPL-3.0` `Nodejs`