Top 20 NuGet transfer Packages

An easy way to transfer file with any size, on tcp protocol
Simple SMTP Server using .NET 4.5 async pattern
Human friendly, textual representations of TimeSpan and file size using standard .NET types. It is light-weight, tested and supports PCL.
IronBox SFT client
Common file operations (transfer, delete, changes) and file-specific functions
A library for remote server file management via SFTP. Fast, flexible, and easy to use. With a few lines, you can perform downloading and uploading of files to/from a remote location.
Binary serializer to adapt to legacy data storage and data transfer protocols Supported platforms: NET Standard 2.0
PolyMapper is a reflection-based mapper capable of transferring property values between classes of different types. PolyMapper is optimized for defining mappings between large numbers of types and applying them to large numbers of objects. See https://gitlab.com/NRade/polymapper for documentation.
Unit converter including Height/ Length, Weight, Temperature, Data Storage, Data Transfer, Energy, Frequency, Fuel Economy, Plane Angle, Pressure, Quantity, Speed and Volume