JaegerMa 

SharpINI is a simple .NET Standard 2.0 compatible library to parse and write INI strings

SharpYAJ - YetAnotherJSON Reader/Writer for C# is a .NET Standard 2.0 compatible library to serialize and deserialize JSON strings

Small .NET Standard 2.0 compatible library to split a string into command-line args

.NET Standard 2.0 compatible library to manage embedded files in loaded assemblies

.NET Standard 2.0 compatible library to dynamically load external .NET libraries into the runtime