Top 20 NuGet utility Packages

Utility functions to get current process directory, app data directory and so on.
Provides helper and utility types, classes and extensions.
Lightweight LibLog wrapper with some helpers
Various lightweight utilities which are not specific to any application concern and do not have external dependencies
💩 https://twitter.com/ben_a_adams/status/918281387677048832 💩
Using VerifyEmailAddress method can check if the email box exists on Microsoft of Google servers before you send email to. It very useful if you would like to reduce email sending bounce rate.
A collection of custom rules and triggers
Provides extensions to modify link targets in user-generated content
Integration with HubSpot
Provides configuration extensions so a user is able to specify advanced default options for individual functions of the community
Open source library made to speed up development of console utility applications.
Utility for get details from User-Agent header
Cross-platform file reader for windows Portable Executable file format.
Health monitoring middleware for ASP.NET Core apps
Normalizes leading whitespace found in Xml Documentation produced by Visual Studio to play nicer with plain text formats (like Markdown)
Web layer utilities package