Top 20 NuGet file Packages

Write Serilog events to text files in plain or JSON format.
Library for parsing and creating COMTRADE (COMmon format for Transient Data Exchange for power systems) files
Generate Audit Logs from file system events using a FileSystemWatcher
Reads and writes CSV, fixed-length and other flat file formats with a focus on schema definition, configuration and speed. Supports mapping directly between files and classes.
Library of network protocol implementations (e.g., FTP)
Library for parsing E-MAX Director control and record data files used for transient data exchange
Library for parsing PQDIF (Power Quality Data Interchange Format) files
Library for parsing SEL (Schweitzer Engineering Laboratories) event files
NOTE: As of version 9.4.0, this library has been split into multiple parts and replaced: See https://www.nuget.org/packages/Microsoft.Azure.Storage.Blob/, https://www.nuget.org/packages/Microsoft.Azure.Storage.File/, https://www.nuget.org/packages/Microsoft.Azure.Storage.Queue/, and https://www.nug...
Pluggable foundation blocks for building distributed apps.
Detect MIME type from files.
DropzoneJS is an open source library that provides drag’n’drop file uploads with image previews. Issues? Please post them here https://github.com/sirkirby/dropzone-nuget/issues
Simple cross-platform plug-in that allows you to pick files and work with them. Version 2.1 supports .NET Standard and Visual Studio 2017. Supported platforms are Xamarin.Android, Xamarin.iOS, Xamarin.Mac, Xamarin.Forms, UWP and WPF.
File logger provider implementation for Microsoft.Extensions.Logging. This logger logs messages to rolling files by writing messages to the file system.
The file sink for Serilog
Windows SDK for v2 of the Box API. The SDK is targeting .NET Framework 4.5
Simple wrapper of .NET filesystem classes, an alternative to FileInfo and DirectoryInfo.
Pluggable foundation blocks for building distributed apps.
Pluggable foundation blocks for building distributed apps.
View and annotate DICOM images in WPF image viewer.