Top 20 NuGet abstractions Packages

Flexberry Analytics Abstractions package.
TauCode CQRS abstractions
A library of abstractions for the purpose of testing. It is named after the author who wrote the book of James in the Bible. (James 1:2-3)
Abstractions for MicroNetCore.Rest.
FilterMutator abstractions for extending basic functionality via inversion of control.
数据访问相关类、接口、枚举、异常、扩展方法 1. netcore升级到3.1 12、补充nodejs 等操作
Multitenancy abstractions and core services for .NET Standard.
Based Librame.AspNetCore.Abstractions on IdentityServer application package.
Abstractions library of Deimos
Essence is used by Cedita when creating new applications that follow certain standards of development and practices. Continually updated with new features and bugfixes as necessary, commercially supported from Cedita.
Package description here: https://github.com/avalanche759/Spire/blob/main/README.md#spirecorecommandsabstractions
Everything you have in Reusable Library Abstractions that can have an extension is here.
Provides Autofac support for a Rocket Surgery Application