Top 20 NuGet enum Packages

Extra type constraints for Enum and Delegate.
Classes to help produce strongly typed smarter enums in .NET.
EnumUtils provides some essential enum helper methods.
Helpful static methods (or extension methods) for enums and delegates, with constraints which can't be expressed in regular C#.
Reflection metadata reading made easier
A set of useful extensions for EntityFrameworkCore (Enum Lookup Tables, Naming of tables / properties / keys, Pluralize).
A tool for code generating TypeScript endpoints, interfaces, enums, resources and view paths for your ASP.NET Web API controllers/web apps
Simple to use fully customizable pagination, select enum TagHelpers for ASP.NET Core 2.1 Razor projects.
Enums.NET is a high-performance type-safe .NET enum utility library
ADN.Helpers is a cross-platform open-source library which provides helpers and utilities to .NET developers
A .NET Standard library that provides extendable class based enums.
lib12 is set of useful classes and extension created for .NET framework
Universal date and time support. Parameter and value inspections. Fast thread-safe cache. Creation and verification of cryptographic salted hashes; fast; using RFC2898 instead of the insecure MD5. Date and time helpers. Enumeration type converter (not for PCL). Various extensions including validator...
Makes it easier to convert simple types.
a collection of my useful extension methods.
Standard Web Applications .NET Utilities
Convenience methods for enums.
An incredibly lightweight and type safe MVVM library for .NET WPF, Silverlight, Xamarin and UWP
A .NET Standard library that provides compatibility support for using ExtendableEnums with Simple.OData.Client.
A .NET Standard library that allows registration of ExtendableEnums with Microsoft's OData in core, so that only the Value propery is output for OData requests.