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Top 20 Important .NET Core Libraries That Every Web Developer Should Know

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Top 20 Important .NET Core Libraries That Every Web Developer Should Know

What is .net core?

It is open source software for the windows operating system. Dot net is a new version of the dot net framework. Dot net core framework can be used for different application types like machines, mobile, games, etc.

Why .Net core?

In .NET framework have some limitations so we should prefer .NET CORE.

DOT NET Core characteristics

• Open source software

• Wide range application

• Support multiple languages

• Module architecture

• Flexible development

Net core programming can help us to build high-performance cross-platform apps

Dot net core development company is overgrowing

Microsoft developed the .Net framework and an ideal platform for all technology companies.

MVC structure and web APIs are also helped by .net development.

In NET companies have both frontend and backend languages.

C# is used as the frontend and ASP.Net is used as the backend.



• NET Core 2.2

Design patterns

• Code first

• . NET core2.1

• .net core 2.2

• Dependency injection

Code management



.net core libraries developer need to know these things which are most important

 Seashbukle :- It is an open source project for web APIs built with ASP.NET Core.

 Polly :- Polly is a dot net resilience and transient fault handling library that allows developers to express such as circuit breaker, time out, bulkhead isolation, and Fallback in a fluent and thread-safe manner.

 Automapper :- Automapper is a simple, convention-based object or object mapping library compatible with dot net core.

 Saaskit :- It is a developer tool kit for building SaaS applications.

 Diagnostic.heathChecks :- ASP.NET core offers health checks middleware and library for reporting the health of app infrastructure components.

 Mailkiy:- A cross platform for dot net library for IMAP, POP3, and SMTP.

 Cache manager :-cache manager is ab open source caching framework for .Net written in C# and available NuGet

 Dapper :- dapper is simple ORM for the .NET world.

 Ocelot:- Ocelot consists of a number of middleware modules that can be applied in a specific sequence.

 Nlog:- it is a flexible and free logging platform for various dot net platforms, including dot net standard. Writing to multiple targets is easy with Nlog.

The demand for .net core

In industrial sector is inclined to use it.

Microsoft developed the .net framework, an ideal platform for all technology companies.dot net also helps in MVC structure.

.NET Core in 2022

Whenever an entrepreneur wants to develop a strong, performant, and secure web application, the .NET framework is their first and foremost preference. Though it has been almost 20 years now since Microsoft first released this framework, the .NET framework has still been intact in delivering its value.

Introduction to .Net Core Libraries

What is Net Core? It is a cross-platform and light-weight DotNet framework for developing applications and software that ease your business processes. Net core is an amalgamation of GC, Runtime, AOT, Base Class Library, JIT, ASP.NET, ML.NET, C#, F#, WPF, WinForms, Entity Frameworks, and Xamarin.

We’ve curated the best and most-useful .NET core libraries list for you.

20 Most-Useful .Net Core Libraries List

1. Swashbuckle

A .net core library is used to build beautiful API documentation. Swashbuckle also enables you to explore and test API operations along with the Swagger UI. Highlights of the core features provided by this library are as follows:

• Automatic generation of Swagger 2.0 and seamless integration with Swagger UI.

• As you describe your API types, you get reflection-based schema generation

• Swagger UI extensibility hooks

• Support for XML comments

• Support for authentication Implicit OAuth2 scheme and flow, APIKey, and basic authentication.

2. Polly

Polly is one of the lightweight dotnet libraries that enable .net core developers to handle faults like retrying, timeout, circuit break, bulkhead isolation, and thread-safe fallback.

Few important features of Polly are:

• Navigation through an unreliable network.

• Provides resilient strategies.

• Enables zero-dependency.

3. AutoMapper

AutoMapper is a .net core library to manage object-to-object (OTO) mapping. Developers are immensely relieved by using this library as they do not have to worry about the code while they are mapping values.

With AutoMapper, you can enable the following:

• EF6 Extensions

• IDataReader/Record Extensions

• Collection Extensions

• Microsoft DI Extensions

• Expression Mapping

• Enum Extensions

4. SaasKit

A net core library for developing software-as-a-service applications. Using this library you can easily build multitenant apps using the OWIN interface.

The founder of this library, Ben Foster writes various informative blogs on how to use this SaasKit library, you might want to read here.

5. Diagnostics.HealthChecks

A net core library to check the UI port and liveness of the Microsoft Health Checks. It also allows you to create customized APIs for displaying health screenings.

The Diagnostics.HealthChecks library monitors health checks for the below things-


• Databases

• APIs

• Azure services

• Servers, etc.

6. MailKit

MailKit is also one of the dot net core libraries for client-server that is cross-platform. Some of the core features of this library are given below:

• Simple Authentication and Security Layer (SASL) Authentication • Proxy support for SOCKS4/4a, SOCKS, and HTTP

• SMTP client

• Pop3 client

• IMAP4 client

• Async API and API cancellation

7. CacheManager

A .net core library for cache abstraction in C# (CacheManager). It intends to ease the life of developers while complex caching scenarios. CacheManager provides various advanced features and providers of cache.

8. Dapper

Another best and most useful .net core library for object mapping is the Dapper library. It supports high-performance ORM support for SQL Server, MySQL, SQLite, SqICE, and more. You can extend your IDBconnection interface using this NuGen library.

9. Ocelot

An open-source API gateway for running microservices, or service-oriented architecture.

This net core library is useful for routing, request aggregation, web sockets, rate limiting, authentication, authorization, caching, load balancing, and configuration, etc.

10. NLog

The NLog is a .net core library that is used for logging, is open-source and cross platform. NLog enables you to manage features and with excellent log routines. Few features of the NLog library areas follows:

• Easy configuration

• Template formation

• Extensible

• Structured logging

11. LiteDB

LiteDB is a lightweight MongoDB just like as, NoSQL database for .NET core. It is an open-source library that enables anyone to download and use it freely.

Some amazing features of this library are:

• Thread-safe cross collection transaction.

• Reader: no lock. Writer: per collection lock.

• Query support for index and loader.

• FileStorage and system collection.

12. Smidge

A dotnet core library that helps in app development framework, is lightweight and extensible. Features:

• Minification, compression, and combination for JSS/CSS files.

• Client-side and server-side caching.

• Debugging and production configuration for each bundle.

• Fluent syntax and cache-busting.

13. UnitConversion

It is a library for unit conversion for both .net and dotnet core frameworks. Inclusions:

• Time conversions

• Mass conversions

• Distance conversions

• Area conversions

• Volume conversions

14. FastReport

FastReport is one of the great open-source report generator libraries for the .NET core framework. FastReport enables you to add data from the following parameters given below:





• MongoDB

• Oracle

• CouchBase

• Postgres

• SQLite

• RavenDB

15. AppMetrics

AppMetrics is an open-source dotnet library that can record and report metrics in an application. The various types of metrics that it can provide are:

• Counting login users

• Requests rate

• Free memory

• Time to run database queries

• Support for Meters, gauges, timers, histograms, counters, and many more.

16. SharpCompress

A compression library for dot net core framework that helps you compress and decompress your files. It also supports non-seekable streams for larger files.

Additional features:

• Zip writing

• RAR 5 decryption support

• Zip64

• Multi-volume zip support

17. nopCommerce

The best .NET core library (nopCommerce) that provides a shopping cart support system. It has incredible capability and is quite reliable and secure. nopCommerce works with Azure and web farms.

18. Cscore

Cscore is a .NET core library for audio utilizations like capturing, decoding, effects, encoding, and much more. Useful Features:

• Optimized performance with CLI instructions.

• Easy to use for naive learners.

• Unit tests enable high code coverage.

• Provide prompt assistance on Stackoverflow and GitHub.

19. NetOffice

A net core library for automating and extending Microsoft office products. MS Excel, Outlook, Powerpoint, Access, Project, and Vision, all versions after 2000 get support from NetOffice in the .NET core framework.

Additional features:

• Add-on advancements.

• Version-agnostic development.

• Compatible with.NET Framework 4 and above.

• Registration is not necessary.

20. SignalR

The SignalR .NET core library enables you to add real-time web functionalities to your .NET core apps. It helps the developers push-add data from the server to their applications.

Some of the noteworthy features are:

• Automatic connection management.

• Simultaneous message-sending to all clients.

• Can handle increasing traffic by scaling.

• You can deliver messages to a group of customers.


Verve Systems is a host of excellent and experienced .NET core developers who avail 360-degree development proficiency including services like .NET core migration, .NET core upgradation, .NET core integration, Customization, Maintenance, and Support. Hire .NET core developer from us and be prepared to handle unparalleled and unexpected success for your business.

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