iTextSharp v4.1.6. Last version to be released under the Mozilla Public License and the LGPL.
https://github.com/schourode/iTextSharp-LGPL ( nuget release )
https://stackoverflow.com/q/24326767
iTextSharp.LGPLv2.Core is an unofficial port of the last LGPL version of the iTextSharp (V4.1.6) to .NET Core
https://github.com/VahidN/iTextSharp.LGPLv2.Core
https://github.com/schourode/iTextSharp-LGPL ( nuget release )
https://stackoverflow.com/q/24326767
iTextSharp.LGPLv2.Core is an unofficial port of the last LGPL version of the iTextSharp (V4.1.6) to .NET Core
https://github.com/VahidN/iTextSharp.LGPLv2.Core