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Top 20 .Net Core Libraries Every Developer Should Know

Top 20 .net framework libraries

In the website and app development industry, the competition is gradually increasing with each passing day. The competition is more stuff now than ever before. The thought of staying ahead is in everyone’s minds.

Thus, the use of cutting edge technologies and the latest inventions have become more important!

18 years ago in the year 2002, Microsoft understood the pain of every customer-centric business and launched an efficient solution to develop business applications fastly in a cost-effective manner. 

We are talking about .NET mobile app development, which is today’s most valuable and effective tool to create dynamic, robust, and feature-rich websites, mobile applications, and web-based apps.

Many .NET framework versions have come to the market. Every time if something new is introduced in .NET, then we always report it because we are the leading ASP NET mobile web development company in USA.

This time we are going to introduce you to the top 20 .NET Core libraries that help you to make complex websites and applications for the sake of your business continuity.

Introduction To .NET Core Libraries

.Net Core is a lightweight and cross-platform version of the DotNet framework that includes AOT, GC, Runtime, JIT, Base Class Library, ASP.NET, C#, ML.NET, VB.NET, F#, Entity Framework, WinForms, WPF, and Xamarin.

The .NET Core framework wonderfully helps the developers in developing software and applications to make your business processes easy. 

Whether it is making business software or general public use applications and websites, the .NET core framework is almost used in every IT product that you download or use online.

Recently, the .NET Core got new updates in its features with lesser coding, deploying high-performance, and highly scalable applications. All the updates were done in the .Net framework Libraries.

Let’s get started and know those top 20 .NET core standard libraries.


LiteDB is a lightweight, small, and .NET Core standard library with a fast NoSQL embedded database. The library is open-source & freely available for everyone whether for some website development or application development.

LiteDB .NET Core library is fast, supports LINQ queries. The library easily stores data in and is able to encrypt documents & files by using Datafile Encryption Systems. Like SQLite, LiteDB also indexes document fields to make search fast.

Also Read : Best Tips To Make A Highly Secure ASP .NET Web Applications


CacheManager library is an open-source .NET Network library written in C# language to support the cache providers in implementing advanced features.

CacheManager library of .NET Core makes the developer’s life simple and handles all the complex cache scenarios by providing multiple layers implementation of caching just by writing a few lines of codes.


Smidge library is a lightweight runtime CSS/JavaScript file of the .NET Core application development framework that helps in minification, combination, compression & management library in ASP.Net Core for CSS/JS Files. 

With this library in your hand, you easily configure client-side caching & make server-side caching more persistent. This is because Smidge is an easily extensible library that every developer must know. 

By taking the help of this library, you can customize the preprocessor pipeline for creating your own processors of any file type of data.


A .Net Core version of has enhanced features, functionalities, and security that was compatible with .net framework. It should be a drop-in replacement for as the namespaces are unchanged.


This library gave more functionality to the UI port for new Microsoft Health Checks features while supporting many commonly used databases in order to include MySql, Elasticsearch,, SQLite, MongoDB, SQL Server, DynamoDb, Amazon S3, Postgres, & many others.


It helps you to send email from .NET or .NET Core. There are many useful extension packages that make .NET Core more simple and powerful. The .NET Core libraries also offer an email body template that you can use from the disk.


UnitConversion .NET Core library is an expandable library via the concrete converter implementations to support Mass, Time, Area, Distance & Volume Conversions.


FastReport is an open-source report generator especially made for .NET Core 2.x/.Net Framework 4.x by using this library in MVC for the web and app-based API applications.

You can add the data for this library from XML, CSV, JSON, MySql, Oracle, MongoDB, Postgres, SQLite, Couchbase, MSSQL, RavenDB.


A very simple yet powerful, persistent but portable library, Autocomplete is always ready for the desktop, website & cloud applications. The library easily supports all kinds of stream data types, that include classical disc storage in the cheapest hosting. 

Therefore, many .NET mobile app development companies in USA consider a few fastest autocomplete algorithms in the web and app development.


AppMetrics is an open-source and cross-platform library whose job is to record metrics in an application. It actually provides different types of metric types and measures the things that help in counting login users, the rate of requests, the amount of free memory, and also the time to run DB queries. Additionally, it supports Counters, Gauges, Meters, Histograms, and Timers.


SharpCompress is a compression library that can unzip, unrar, un7zip, untar unbzip2 and unzip with forward-only reading and file random access APIs. 

Write support for zip/tar/bzip2/gzip are implemented. The major feature is support for non-seekable streams so large files can be done on the fly.


For many hashing algorithms in the ASP .NET such as sha3 easily hashes files, streams, and all common types of data.

Also Read: Top 5 Advantages Of .NET Application Development for Business


nopCommerce is the best open-source library in the .NET Core libraries list where e-commerce shopping carts get tremendous amounts of functionality. The nopCommerce is freely available to make a fully customizable shopping cart. 

The library is highly stable, usable, and the best open-source eCommerce solution present in the .NET family of frameworks. You also can use this library to optimize for search engines to find out the friendly URLs.


The main goal of this project is to provide the .NET world with robust, fully-featured and RFC-compliant SMTP, POP3, and IMAP client implementations.


A free .NET audio library which is completely written in C#. it offers many features like playing or capturing audio, en- or decoding many different codecs, effects and much more!


NetOffice supports extending and automating Microsoft Office applications: Excel, Word, Outlook, PowerPoint, Access, Project and Visio. It doesn’t have any version limitation. It supports Office versions from 2000 to the latest version.


This project was inspired by Sharp.SSH library was adopted from java and it seems like it was not supported for quite some time. This library is a complete rewrite, without any third-party dependencies, using parallelism to achieve the best performance possible. 

It provides SSH commands using Sync & Async methods. SFTP functionality also supports Sync & Async operations. Supports two-factor or higher authentication as well.


ASP.NET SignalR is a library for ASP.NET developers that makes it incredibly simple to add real-time web functionality to your applications.

“real-time web” functionality is the ability to have your server-side code push content to the connected clients as it happens, in real-time.


A C# plug-and-play class-library project of Algorithms & standard Data Structures. It includes 30+ Algorithms & 35+ Data Structures designed as Object-Oriented separate components. 

Actually, this project was started for educational purposes, the implemented Algorithms & Data Structures are efficient, standard, tested & stable.

Also Read: ASP.NET vs ASP.NET Core: Which Is Best To Build Web Applications?


Nancy is again a lightweight framework that helps in building HTTP based services by using .NET Framework/Core and Mono which are Micorosft’s .NET based products.

Nancy easily handles GET, POST, PUT, DELETE, HEAD, OPTIONS, & PATCH requests to provide a simple, elegant way to get a better-returning response with a couple of keystrokes, such that you can focus more on the important logic of your applications.


The structure of .NET Core libraries helps many top ASP NET software application development companies in Raleigh, USA to build new applications.

One can easily call .NET Core libraries a key player of the future that will support all kinds of IT product development online and offline.

As we move into the future, we plan to bring out more capable business solutions and platforms. If you look to invest in them for your business continuity then contact us soon!

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