Top 20 NuGet dotnetstandard Packages

A data access library for MongoDB with an elegant api, LINQ support and built-in entity relationship management.
Provides common extensions and new APIs for the .NET Framework.
Provides a common database context and predicates for use with Dapper.
Provides a standard way to read Excel data and fixed width files.
Provides ASP.NET Core middleware and other extensions for request and/response logging.
Provides transient error detection strategies for adding retry logic into your HttpClient calls, a UrlBuilder to help simplify building complex URLs, and additional extensions for working with HttpClient.
https://github.com/Dixin/EnterpriseLibrary.TransientFaultHandling.Core
Provides access to network information and notification of network status changes.
Provides additional input and output (I/O) types.
Provides additional collection classes and extensions.
Provides additional MSBuild tasks.
Provides additional support for working with ASP.NET Core, including TagHelpers, View Location Expanders, support for IMetadataAware, and rendering enumerated types as SelectLists based on a UiHint attribute.
Provides additional assert capabilities for MS Test.
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.
Provides support for working with Polly policies, including a strategy for resilient database queries.