Open source desktop applications list

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

InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
www.influxdata.com
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SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives
www.saashub.com
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  • Open Live Writer

    An open source fork of Windows Live Writer

    Open Live Writer was last updated two years ago, it's a desktop app not targeting developers which turned into open source.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo
  • OpenRA

    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.

    OpenRA and Ryujinx are actively developed but they're likely not what you expect when you say "desktop" app seeing they're gaming apps.

  • Ryujinx

    Experimental Nintendo Switch Emulator written in C#

    OpenRA and Ryujinx are actively developed but they're likely not what you expect when you say "desktop" app seeing they're gaming apps.

  • cairoshell

    Cairo is a customizable, intuitive desktop environment for Windows.

    Cairo Shell is not really a "desktop app" and more of a "desktop" in itself.

  • SharpDevelop

    SharpDevelop and MonoDevelop are both dead and focused for devs which gives them different priority than apps targeted at non-devs, but they show how to put together seriously complex apps, and they're the ancestor of the Visual Studio for Mac.

  • MonoDevelop

    Discontinued MonoDevelop is a cross platform .NET IDE

    SharpDevelop and MonoDevelop are both dead and focused for devs which gives them different priority than apps targeted at non-devs, but they show how to put together seriously complex apps, and they're the ancestor of the Visual Studio for Mac.

  • OpenPDN

    Discontinued Paint.NET source (v3.36.7; prior to non-MIT license change)

    Paint.NET was open source, it's the most beautiful and responsive non-devs oriented .NET desktop app I have ever encountered.

  • SaaSHub

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

    SaaSHub logo
  • ProtobufDecoder

    A Google Protocol Buffers (Protobuf) payload decoder/analyzer

  • ScreenToGif

    🎬 ScreenToGif allows you to record a selected area of your screen, edit and save it as a gif or video.

    Screen To Gif. This is a great app and is open source: https://github.com/NickeManarin/ScreenToGif

  • Pinta

    Simple GTK# Paint Program

    Pinta is an open-source cross-platform fork of Paint.NET, now running on .NET6.

  • snoopwpf

    Snoop - The WPF Spy Utility

  • bitcoin-ps

    Discontinued Desktop application to test Bitcoin Core using PowerShell scripts

  • ShareX

    ShareX is a free and open source program that lets you capture or record any area of your screen and share it with a single press of a key. It also allows uploading images, text or other types of files to many supported destinations you can choose from.

    ShareX https://getsharex.com/

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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Did you konow that C# is
the 10th most popular programming language
based on number of metions?