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Crucial .NET Core Libraries Every .net Developer Should Know

Ellen Hollington

Open-source libraries reduce the amount of effort required of developers and makes it simple for them to construct and maintain their applications.

As per the .NET Foundation Survey, there were a wide variety of apps that were being built with API ranking at 1st.

If you’re looking to hire .NET developers to build applications for your company, you need to assess their skills first.

How?

The easiest way is to see their grasp on the crucial .NET core libraries. Before you hire .NET developers test their knowledge and proficiency in these .NET core libraries.

We have listed the 10 .NET core libraries that will help you distinguish a good .net developer from an average or bad one.

Swashbuckle: A .NET core library that can help build API documentation

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With Swashbuckle, .net developers can generate Swagger documents for Web APIs that are built with ASP.NET Core.

The .NET core library includes a cross-platform library of styles, documentation, and code snippets.

It creates a unique style that is easy to comprehend to build API documentation.

Three core components of Swashbuckle:

With these components, Swashbuckle can help with automatic Swagger 2.0 generation, easy integration with Swagger UI

Generation of schemas via reflection, basic authentication, APIKey, and implicit OAuth2 scheme and flow.

Polly allows developer to express policies

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The .NET core library is a resilient and transient-fault-handling library.

With Polly, developers can express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, Rate-limiting and Fallback in a fluent and thread-safe manner.

Here are a few instances of how it works.

MailKit: is a fully-featured email .NET core library

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MailKit is a cross-platform mail client library built on top of MimeKit. The .NET library is for IMAP, POP3, and SMTP.

Features:

CacheManager to build caching

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CacheManager is an open source caching abstraction layer for .NET written in C#. It supports various cache providers and implements many advanced features.

The CacheManager package’s main objective is to make life easier for developers by handling even the most complex caching circumstances.

In just a few lines of code, a developer can build many layers of caching, such as in-process caching in front of a distributed cache with CacheManager.

It is also very simple for the developer to change the caching strategy later on in a project because CacheManager provides more than just an interface to standardize the programming model for various cache providers.

It provides capabilities like concurrent updates, serialization, events, performance metrics, and cache synchronization. The developer can use these features if and when needed.

Dapper: an object mapper

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Dapper is a straightforward .NET object mapper.

Supported databases include SQL Server, MySQL, Sqlite, SqlCE, Firebird, and more with this high-performance micro-ORM.

A developer can use it by installing the NuGet package, which increases the capability of the IDbConnection interface.

Package Purposes:

SaasKit to build multi-tenant applications

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With SaasKit, a developer can easily build multi-tenant applications. Multi-tenancy refers to running a single instance of software for multiple tenants/customers.

SaasKit uses the concept of adding middleware using the OWIN interface. With the library, developers can build SaaS products.

Ocelot: a middleware everyone needs

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Ocelot is a .NET core library for API Gateway.

Developers who use .NET and have a service-oriented architecture or microservices that need a single point of entry into their system should have the Ocelot library.

However, the library will also function on every platform that ASP.NET Core supports and be compatible with anything that speaks HTTP.

To put it simply, Ocelot is a bunch of middlewares in a specific order.

When Ocelot reaches a request builder middleware, it manipulates the HttpRequest object into the state indicated by its settings and then builds a HttpRequestMessage object that is used to send a request to a downstream service.

The final step in the Ocelot pipeline is the middleware that submits the request. It doesn’t make a middleware call after that. While the requests are being sent back up the Ocelot pipeline, the response from the downstream service is being retrieved. A piece of middleware that is returned to the client transfers the HttpResponseMessage onto the HttpResponse object.

Features:

NLog to manage logs

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NLog is a free logging platform for .NET. It has extensive log management and routing features. It makes it simple to produce and manage high-quality logs, regardless of the size or complexity of your application.

Any. NET language’s diagnostic signals can be processed, enhanced with contextual data, formatted to your preferences, and can be sent to one or more targets like files or databases.

Packages:

FluentEmail to simplify emails

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FluentEmail is the easiest way to send email from .NET and .NET Core. The all in one email sender for .NET uses Razor for email templates and sends using SendGrid, MailGun, SMTP and more.

Core FluentEmail libraries:

SignalR can take your app to the next level

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SignalR makes it incredibly simple for developers to add real-time web functionality to their applications.

It has built-in support for auto-reconnect on network loss, bi-directional communication, and long-polling.

Now that we have briefed you on the important .NET core libraries, you can begin your search to hire .NET developers.

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