fkinzel 

.NET library that allows to read, write and convert VCF files, which match the vCard standards 2.1, 3.0 and 4.0.

.NET library that contains extension methods and helper classes for String, Char, StringBuilder, ReadOnlySpan<Char> and ReadOnlyMemory<Char>.

.NET library to read and write CSV files.

.NET data model to store contact data of organizations and natural persons.

.NET library that supports the work with Internet Media Types ("MIME Types").

Small and easy to use framework for .NET to manage contact data of organizations and natural persons, including a data model and classes to persist it as vCard (*.vcf) or CSV.

.NET library that supports the work with URIs.

Recent files menu for WPF applications.