Fujiwo 

Csv (comma-separated values) Library (.NET Standard Library) A library for reading objects from CSV files and writing objects to CSV files. (for .NET Network 4.6 or later, .NET Core 1.1 or later)

Csv (comma-separated values) Library (.NET Framework Library) A library for reading objects from CSV files and writing objects to CSV files. (.NET Framework 4.5.2 or later)

Types for collection which supports undo/redo.

Console Library (.NET 6.0) A library for Console. - GridView: Draw a collection as a table to console (for .NET 6.0 or later)

WPF (.NET Core) Control Library (FontComboBox) for .NET Core 3.0 or later

WPF (.NET Core) Control Library (FontComboBox) for .NET Core 3.0 or later