Top 20 NuGet dotnetstandard Packages

Provides classes for generating email using ASP.NET MVC Razor views.
Provides support for determining framework versions, IIS version and feature detection.
Provides common data annotation attributes.
Provides static classes for representing program contracts as preconditions in a way that's compatible with System.Diagnostics.Contracts.
Support for creating System for Cross-domain Identity Management (SCIM) filters.
Provides a standard implementation for creating and using cache keys.
JsonStream is a thread-safe dotNet Standard Class Library to make easy to read and to write json structures from/to a stream.
Xeeny is framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
Sockets for Xeeny, A framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
Loggers for Xeeny, a framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
https://github.com/Dixin/EnterpriseLibrary.TransientFaultHandling.Core
Provides transient error detection strategies for adding retry logic into your HttpClient calls and a UrlBuilder to help simplify building complex URLs.
Protobuf Serializer for Xeeny, A framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
Json Serializer for Xeeny. A framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
Transport base classes for Xeeny, A framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
WebSockets for Xeeny, A framework for building and consuming services on devices and servers that support .net standard. It is Cross Platform, Duplex, Multiple Transports, Asynchronous, Typed Proxies, Configurable, and Extendable
Juhta.Net.Startup provides methods for graceful startup and shutdown for any application with any number of libraries through the Juhta.Net.LibraryManagement interfaces. This library is a part of Juhta.NET.
A bunch of useful extensions for fluent style programming.
An extended set of collections for .NET Standard