Good C# Source Code

This page summarizes the projects mentioned and recommended in the original post on

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  • awesome-dotnet-core

    :honeybee: A collection of awesome .NET core libraries, tools, frameworks and software

  • MimeKit

    A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

    I would argue that my MimeKit and MailKit projects are some examples of good code, but I'm probably biased ;-)

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • MailKit

    A cross-platform .NET library for IMAP, POP3, and SMTP.

    I would argue that my MimeKit and MailKit projects are some examples of good code, but I'm probably biased ;-)

  • UWP Community Toolkit

    The Windows Community Toolkit is a collection of helpers, extensions, and custom controls. It simplifies and demonstrates common developer tasks building UWP and .NET apps for Windows 10 and Windows 11. The toolkit is part of the .NET Foundation.

    Windows Community Toolkit

  • calculator

    Windows Calculator: A simple yet powerful calculator that ships with Windows

    Windows Calculator (Its C# and C++ mixed)

  • PowerShell

    PowerShell for every system!

    I'm a powershell nerd that barely knows some C# so I like to look through the Powershell Source Code and pretend I can understand it.

  • Pegasus

    A PEG parser generator for .NET that integrates with MSBuild and Visual Studio. (by otac0n)

    I would submit my Parser project, Pegasus:

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  • Popcorn

    Watch movies easier (by MozzieMD)

    It's a few years old but

  • CoreFX

    This repo is used for servicing PR's for .NET Core 2.1 and 3.1. Please visit us at

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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