Most .NET Developer should love to integrate the following package in their .NET project developer.
xUnit & NUnit : pacakge for unit testing
Moq & NSubstitute: Mocking libaries for .Net testing
Polly: Provide rich features for policies handling
FluentAssertions: Provide rich features for Assertions
BenchmarkDotNet: Provider Performance trace
Serilog: Provide logging with full structure events
Autofixture & Bogus : Fake Data Generator
Scrutor: add scanning capabilities to the default Microsoft Extensions. (DependecyInjection DI Container)
Automapper:Object to Object mapper
Dapper & Entity Framework Core: Data Access framework: Dapper is simple and customable
MediatR & Brighter : CQRS stands for Command Query Responsibility Segregation libraries. MediatR is an in-process command dispatcher. Brighter is an out of process command dispatcher
FluentValidation: validation library using fluence interface and lamda expression for building validation rules
Refit & RestSharp: API tools. Refit is an automatic type-safe REST library for .Net. RestSharp is a simple REST and HTTP API Client for .Net.
Json.NET: handle json data