Top 23 C# Cross-Platform Projects

• Avalonia

  37 11,465 9.9 C#

  A cross platform XAML framework for .NET

  

  Project mention: .NET 6 Preview 5 | news.ycombinator.com | 2021-06-18

• OpenRA

  31 9,376 9.7 C#

  Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

  

  Project mention: Incel in r/moderwarfare gets called out for being an Incel, then proceeds to harass a women who is looking for a women lead community to avoid getting harassed. I can't make this up. | reddit.com/r/SubredditDrama | 2021-06-09

  It's one of the three modules of OpenRA, alongside the original Command and Conquer and C&C Red Alert 1. RA1 is the main module (obviously) but the other two are fully playable.

• Scout APM

  Sponsored scoutapm.com

  Scout APM - Leading-edge performance monitoring starting at $39/month. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

• MonoGame

  20 7,551 7.9 C#

  One framework for creating powerful cross-platform games.

  

  Project mention: What programming language, library, etc should I use? | reddit.com/r/gamedev | 2021-06-08

  You want a minimal library that gives you a solid base to implement your own systems, and also in C#? Probably the Monogame Framework. It's what games like Celeste, Fez, Stardew Valley, and Streets of Rage 4 were made using. If you want a few of the "standard" game engine systems pre-built but not to the same extent as something like Unity, most would recommend adding the Nez Framework as an accompaniment to Monogame.

• Xamarin.Forms

  15 5,315 9.5 C#

  Xamarin.Forms Official Home

  

  Project mention: .NET 6 Preview 5 | news.ycombinator.com | 2021-06-18

• Uno Platform

  22 4,943 10.0 C#

  Build Mobile, Desktop and WebAssembly apps with C# and XAML. Today. Open source and professionally supported.

  

  Project mention: GUI in C# while using Linux (.NET Core) | reddit.com/r/csharp | 2021-06-13

  There's also Uno which should support Linux as well.

• SparkleShare

  0 4,590 4.6 C#

  Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows.

• SimplCommerce

  0 3,291 4.0 C#

  A simple, cross platform, modularized ecommerce system built on .NET Core (by simplcommerce)

  

• SaaSHub

  Sponsored www.saashub.com

  SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

• Chromely

  1 2,600 7.3 C#

  Build HTML Desktop Apps on .NET/.NET Core/.NET 5 using native GUI, HTML5, JavaScript, CSS

  

  Project mention: When is Blazor Desktop? | reddit.com/r/dotnet | 2021-02-09

• SkiaSharp

  1 2,227 8.3 C#

  SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

  

  Project mention: Real World Map Generation; now with Roads, Water, (dummy) Buildings, Zombies and Overmap | reddit.com/r/cataclysmdda | 2021-05-02

  I didn't thought this well enough; I had the impression that I could use some sparse data structure or an array of a smaller-than-RGB-values type. But I really rely on image manipulation with the Skia library (via SkiaSharp) for some key processes. The improvements I could get from an array are not worth it the complexity of reinventing the wheel several times.

• coverlet

  4 2,107 7.9 C#

  Cross platform code coverage for .NET

  

  Project mention: Tools o improve your unit test with .NET | dev.to | 2021-06-18

  Coverlet documentation reflect the current repository state of the features, not the released ones. Check the changelog to understand if the documented feature you want to use has been officially released. You can see for more details in Coverlete Github

• Akavache

  1 2,099 6.8 C#

  An asynchronous, persistent key-value store created for writing desktop and mobile applications, based on SQLite3. Akavache is great for both storing important data as well as cached local data that expires.

  

  Project mention: Generate your first Xamarin application with JHipster.NET | dev.to | 2021-02-26

  akavache >= 7.1.1

• LiteNetLib

  4 2,006 8.2 C#

  Lite reliable UDP library for Mono and .NET

  Project mention: Dedicated Server Help | reddit.com/r/gamedev | 2021-05-29

• Ooui

  1 1,496 6.2 C#

  A small cross-platform UI library that brings the simplicity of native UI development to the web

  Project mention: Looking to build a web app, iOS, Android | reddit.com/r/xamarindevelopers | 2021-04-12

  You can write Xamarin for web using Ooui: praeclarum/Ooui: A small cross-platform UI library that brings the simplicity of native UI development to the web (github.com)

• Xamarin.Essentials

  5 1,389 8.2 C#

  Essential cross platform APIs for your mobile apps.

  

  Project mention: Can anyone clarify what this ‘Pegasus API’ is? Is this Norman on iPhone 11? | reddit.com/r/iosdev | 2021-05-21

  I don't know where you're seeing "xamarin/Essentials", but that's a repo for code used in writing cross-platform mobile applications. That message refers to this issue: https://github.com/xamarin/Essentials/pull/1457. It's something that was fixed in the project 7 months ago.

• RoslynPad

  1 1,378 4.4 C#

  A cross-platform C# editor based on Roslyn and AvalonEdit

  Project mention: What environment, online or as an application, do you use to test out and develop small C# scripts on Mac OS? | reddit.com/r/csharp | 2021-04-14

  There is RoslynPad but you have to build yourself on Mac OS.

• Nethereum

  2 1,277 6.4 C#

  Ethereum .Net cross platform integration library

  

  Project mention: Local signing for nft/deploy on Tatum API for non-custodial wallet | reddit.com/r/tatum_io | 2021-04-18

  As I mentioned in my initial post, I will use Nethereum.Signer to sign in .NET.

• WalletWasabi

  49 1,270 0.0 C#

  Open-source, non-custodial, privacy focused Bitcoin wallet for Windows, Linux, and Mac. Built-in Tor, CoinJoin, and coin control features.

  

  Project mention: Desktop before IOS? | reddit.com/r/WasabiWallet | 2021-06-03

  The site for Wasabi is at https://wasabiwallet.io/ Not .com, not anything else. It's not on an app store. You can read up on the project there and also check its source at gihub. There are fake apps out in the wild using the same name, just because--stealers gonna steal. Edited for autocorrect.

• MVVM Light Toolkit

  2 1,001 0.0 C#

  The main purpose of the toolkit is to accelerate the creation and development of MVVM applications in Xamarin.Android, Xamarin.iOS, Xamarin.Forms, Windows 10 UWP, Windows Presentation Foundation (WPF), Silverlight, Windows Phone.

  Project mention: Binding a form to the VM of my main window, Binding not working. WPF | reddit.com/r/csharp | 2021-05-06

  You can read more about MVVM Light here and here

• SmartSql

  0 780 0.9 C#

  SmartSql = MyBatis in C# + .NET Core+ Cache(Memory | Redis) + R/W Splitting + PropertyChangedTrack +Dynamic Repository + InvokeSync + Diagnostics

  

• splat

  1 772 8.3 C#

  Makes things cross-platform

  

  Project mention: Most popular Flutter libraries for state management in 2021 | dev.to | 2021-02-11

  Library inspired by Splat from the React world again. Library is not so popular like previous and maintenance is also a little lower.

• OpenTabletDriver

  66 591 9.8 C#

  Open source, cross-platform, user-mode tablet driver

  

  Project mention: Cursor is on the left when I am in the aiming in the middle. | reddit.com/r/osugame | 2021-06-16

  windows update broke the drivers (again) so switching to an updated driver like opentabletdriver will fix it

• ClassicUO

  8 263 9.5 C#

  ClassicUO - an open source implementation of the Ultima Online Classic Client.

  Project mention: Angel Island returning June 2021 | reddit.com/r/ultimaonline | 2021-05-28

  I believe it's this. A completely new client, although I forgot about that patch.

• Lara

  0 95 8.0 C#

  Lara Web Engine is a lightweight C# framework for web user interface development.

  

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