Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

android c-sharp cross-platform csharp dotnet hacktoberfest linux macos mono mvvm roslyn uno uno-platform uwp wasm webassembly windows winui xamarin xaml
82 Open Issues Need Help Last updated: Jul 24, 2026

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good first issue project/documentation πŸ“– project/non-ui βš™οΈ difficulty/starter πŸš€ kind/documentation

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/tests πŸ§ͺ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue project/non-ui βš™οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug help wanted platform/wasm 🌐 project/items 🧾 difficulty/medium πŸ€” area/porting πŸ–¨οΈ has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/a11y project/core-tools πŸ› οΈ difficulty/starter πŸš€ low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/tests πŸ§ͺ project/animations 🎑 difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/ios 🍎 project/non-ui βš™οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement help wanted

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue difficulty/starter πŸš€ kind/documentation

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/ios 🍎 project/non-ui βš™οΈ area/canary 🐀 difficulty/starter πŸš€ project/themes-toolkit-gallery no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/layout 🧱 area/navigationview 🧭 difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/macos 🍏 hacktoberfest project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue project/binding πŸͺ’ difficulty/medium πŸ€” has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue project/documentation πŸ“– difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/wasm 🌐 project/navigation-lifecycle 🧬 difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue project/animations 🎑 difficulty/medium πŸ€” has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue area/build area/tests πŸ§ͺ project/items 🧾 difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue project/layout 🧱 difficulty/starter πŸš€ has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue area/tests πŸ§ͺ project/core-tools πŸ› οΈ difficulty/starter πŸš€ area/commandbar no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/android πŸ€– platform/ios 🍎 project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement help wanted epic project/non-ui βš™οΈ difficulty/challenging 🀯 no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement help wanted good first issue project/binding πŸͺ’ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement help wanted platform/wasm 🌐 platform/android πŸ€– platform/ios 🍎 project/media πŸ“Ί difficulty/challenging 🀯 no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement help wanted platform/wasm 🌐 project/input ⌨️ difficulty/challenging 🀯 no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/wasm 🌐 platform/android πŸ€– platform/ios 🍎 project/binding πŸͺ’ difficulty/starter πŸš€ has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/android πŸ€– platform/ios 🍎 project/core-tools πŸ› οΈ project/documentation πŸ“– difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug help wanted platform/ios 🍎 area/tests πŸ§ͺ project/core-tools πŸ› οΈ project/non-ui βš™οΈ difficulty/medium πŸ€” has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ area/performance πŸ“ˆ low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue project/core-tools πŸ› οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/ios 🍎 project/non-ui βš™οΈ area/canary 🐀 difficulty/starter πŸš€ stale

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/core-tools πŸ› οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/skia ✏️ project/layout 🧱 project/shapes-brushes πŸ”Ά difficulty/tbd low-hanging-πŸ’

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/resources 🈷️ project/documentation πŸ“– kind/documentation

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue difficulty/starter πŸš€ area/contributor-experience

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/tests πŸ§ͺ difficulty/starter πŸš€ stale

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/tests πŸ§ͺ area/storage πŸ“¦ project/non-ui βš™οΈ difficulty/starter πŸš€ low-hanging-πŸ’

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue area/dual-screen project/documentation πŸ“– difficulty/starter πŸš€ kind/documentation

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/non-ui βš™οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/android πŸ€– project/non-ui βš™οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/tests πŸ§ͺ project/layout 🧱 difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/skia ✏️ difficulty/starter πŸš€ platform/desktop πŸ–₯️ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
help wanted hacktoberfest project/documentation πŸ“– difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ kind/breaking-change πŸ’₯ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/ios 🍎 area/tests πŸ§ͺ area/webview project/media πŸ“Ί difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue project/documentation πŸ“– difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/resources 🈷️ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/listview πŸ“ƒ project/items 🧾 difficulty/starter πŸš€ triage/potentially-fixed low-hanging-πŸ’ has-repro-branch

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/storage πŸ“¦ project/non-ui βš™οΈ difficulty/medium πŸ€” low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/ios 🍎 area/canary 🐀 difficulty/starter πŸš€ low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/layout 🧱 difficulty/medium πŸ€” low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue hacktoberfest project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/android πŸ€– platform/ios 🍎 project/navigation-lifecycle 🧬 project/non-ui βš™οΈ difficulty/medium πŸ€” low-hanging-πŸ’ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/wasm 🌐 project/media πŸ“Ί difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/android πŸ€– project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue project/documentation πŸ“– difficulty/starter πŸš€ kind/documentation no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/automation project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue hacktoberfest difficulty/starter πŸš€ kind/documentation no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/automation area/tests πŸ§ͺ project/layout 🧱 difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue area/skia ✏️ area/tests πŸ§ͺ project/core-tools πŸ› οΈ area/items-repeater difficulty/starter πŸš€ area/skia/stability ✏️ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/macos 🍏 platform/ios 🍎 project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue kind/regression area/tests πŸ§ͺ project/input ⌨️ difficulty/starter πŸš€ area/popups πŸ’¬ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/core-tools πŸ› οΈ difficulty/starter πŸš€ area/contributor-experience no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/wasm 🌐 project/non-ui βš™οΈ difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/android πŸ€– project/non-ui βš™οΈ difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
good first issue epic project/documentation πŸ“– no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/macos 🍏 project/non-ui βš™οΈ difficulty/starter πŸš€ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/tests πŸ§ͺ project/items 🧾 difficulty/starter πŸš€ area/porting πŸ–¨οΈ no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue platform/android πŸ€– area/tests πŸ§ͺ project/items 🧾 difficulty/medium πŸ€” no-repro

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue area/tests πŸ§ͺ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/documentation πŸ“– difficulty/starter πŸš€ kind/documentation

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue project/non-ui βš™οΈ difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/bug good first issue difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ difficulty/medium πŸ€”

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€ area/performance πŸ“ˆ low-hanging-πŸ’

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue difficulty/starter πŸš€

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml
kind/enhancement good first issue platform/android πŸ€– area/tests πŸ§ͺ difficulty/starter πŸš€ stale

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#
#android#c-sharp#cross-platform#csharp#dotnet#hacktoberfest#linux#macos#mono#mvvm#roslyn#uno#uno-platform#uwp#wasm#webassembly#windows#winui#xamarin#xaml