Top 20 NuGet format Packages

Provides formatting of numerals and countable nouns. Russian, ukrainian and english languages are supported.
A Library for easy phone number formatting according to configurations.
Single C# class to parse XlTable format.
Provides better code maintainability by simple yet powerful .Params() string extension to supplement/replace string.Format(). Accepts numeric, named and reference parameters. More details and examples in XML tooltips. NUMERIC EXAMPLE: return "test={0}".Params("value"); returns ["test=value"] NAMED...
Véritable couteau suisse du .net, rlcx Power tools contient une énorme quantité d'outils plus utiles les uns que les autres.
Custom Binary File From Lib (cbff) Is a library that allow you to easily create custom binary file formats in C# (or any .net laguage) Tutorial here :
VB.NET source file with a better implementation of String.Format(..) that does not throw an exception if an opening "{" is somewhere in the text or if not all placeholders are used. Supported versions: .NET Framework 3.5 .NET Framework 4.0 .NET Framework 4.5 .NET Framework 4.5.1 .NET Framework 4.5....
Multiple implementations of string interpolation.
Format Numbers in words
Package is an Excel file reader. More specifically, Excel's ".xlsx" format documents. It has various functionality that return data in the file's sheets. The biggest advantage is that there are multiple functions that return the data in different formats.
Automatically pulls epub metadata out of epub files.
jQuery-numberformatter port to .NET (PCL)
Qss format utilities
A csv formatter for model classes using annotations.
Projects Format Utility Library
Projects Format Utility Library
Extract/Convertsion IFC file content into Json using XBIM CObie format
Extract/Conversion IFC file content into JSON using XBIM COBie format
Determines file format type from header