https://sqlsharp.com/
SQL# (SQLsharp) - Expanding the capabilities of T-SQL via SQLCLR
SQL# (SQLsharp) is a SQLCLR library of Functions and Stored Procedures that expand what T-SQL can do in SQL Server 2005/2008/2008 R2/2012/2014/2016/2017/2019
sqlexpandingcapabilitiesvia