Fast, free and customizable picture viewer

avalonia batch-processing comics-reader convert-images csharp desktop desktop-app dotnet gui image-gallery image-viewer macos-app mvvm picture-viewer reactive-programming windows xaml
28 Open Issues Need Help Last updated: Jul 19, 2026

Open Issues Need Help

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help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted planned feature no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
help wanted planned feature no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
Need HDR support 17 days ago
help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
help wanted no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
enhancement help wanted PR Welcome no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
Add translations 17 days ago
help wanted good first issue PR Welcome no-stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
help wanted Can't reproduce Stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
help wanted Can't reproduce Stale

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
bug help wanted

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
Color Management Support about 1 month ago
help wanted planned feature

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
help wanted

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml
bug help wanted

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml

AI Summary: Implement pinch-to-zoom functionality for touchscreens in the PicView image viewer application. If pinch-to-zoom is not feasible, provide alternative zoom controls (buttons or keyboard shortcuts).

Complexity: 3/5
help wanted

Fast, free and customizable picture viewer

C#
#avalonia#batch-processing#comics-reader#convert-images#csharp#desktop#desktop-app#dotnet#gui#image-gallery#image-viewer#macos-app#mvvm#picture-viewer#reactive-programming#windows#xaml