prepare/FO.NET forked this from http://fonet.codeplex.com/
I forked it from him and updated to .NET Core 2.2.0
license: Apache2
wiki: https://github.com/prepare/FO.NET/wiki/1.-XSL-FO
see new development at https://github.com/PaintLab/SaveAsPdf