Top 20 NuGet verification Packages

Customizable open source library for validating generic file formats (size, extension, file signature, checksum etc.) with available extensions which can detect corrupted files of some popular file formats.
A library that uses multiple zip files as a virtual read-only filesystem with hooks to support APK Expansion lies.
Class library to abstract services provided by the Microsoft Cognitive Services APIs.
Validate US mailing addresses against the Service Object web services.
Test for creating nuget package
My package description.
To easily send mail