Fujiwo 

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

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)

Console Library (.NET 8.0) A library for Console. - GridView: Draw a collection as a table to console (for .NET 8.0 or later)

Types for collection which supports undo/redo.

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

WPF (.NET Core) Control Library (FontComboBox) for .NET 8.0 or later