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Avalonia.FuncUI Alternatives
Similar projects and alternatives to Avalonia.FuncUI
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React
Discontinued The library for web and native user interfaces. [Moved to: https://github.com/react/react] (by facebook)
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fslang-design
RFCs and docs related to the F# language design process, see https://github.com/fsharp/fslang-suggestions to submit ideas
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SaaSHub
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better Avalonia.FuncUI alternative or higher similarity.
Avalonia.FuncUI discussion
Avalonia.FuncUI reviews and mentions
Posts with mentions or reviews of Avalonia.FuncUI.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-03-01.
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F# for Fun and Profit
F# is a really good practical FP language.
- Great real IDE support (JetBrains Rider, Visual Studio)
- Large ecosystem of packages (F# is a .NET language, so you can just use all Nuget packages out there.)
- The language is stable and only gets small updates. There is no Scala 3 scenario on the horizon.
- It is fast and cross platform.
- Great for building cross platform UI’s with Avalonia.
https://github.com/fsprojects/Avalonia.FuncUI
- Ask HN: What less-popular systems programming language are you using?
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8 months of OCaml after 8 years of Haskell in production
There is also a package for Avalonia that lets you write GUI applications in F#: https://funcui.avaloniaui.net
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What's New in F# 9
```
To get self-contained binaries (that don't need .NET to be installed locally) for those platforms.
There is a decent multi-platform UI framework called Avalonia: https://github.com/fsprojects/Avalonia.FuncUI
There are good actively maintained web frameworks: https://fsharp.org/guides/web/#web-frameworks
There are some passionate people writing great books about F#: https://fsharpforfunandprofit.com/ddd/
Most of F#'s adoption issues seem to be because:
1. It's tough to convince people outside of the .NET community to use .NET.
2. Most of the people using .NET use C#.
3. It's hard to convince C# users to adopt F#. (See https://www.reddit.com/r/dotnet/comments/16m0wdj/why_dont_yo... and similar threads.)
I'd love to work with F# full-time, but — short of starting my own company using it or convincing Microsoft to pay me to help them showcase its benefits — it's been hard to find work with F#, which drove me to spend time with other languages.
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Mozilla fixes Firefox zero-day actively exploited in attacks
If you don't like XAML, you can use https://github.com/AvaloniaUI/Avalonia.Markup.Declarative to write declarative SwiftUI-like code. You can also use F# if that's your cup of tea: https://github.com/fsprojects/Avalonia.FuncUI.
If you prefer GTK, there are rich GObject bindings that are a successor to GTK#: https://gircore.github.io/
Here are samples that demonstrate basic GTK4 usage scenarios: https://github.com/gircore/gir.core/tree/main/src/Samples/Gt...
All this should require less than 10 minutes including setup and such.
Lastly, I want to make a disclaimer that you do not need C# Dev Kit extension for VS Code, only the base C# one, which is what gives you language server, debugger, etc. If you are using VSCodium which cannot use closed-source vsdbg component that the base extension uses, you can replace it with https://github.com/muhammadsammy/free-vscode-csharp which uses open-source debugger from Samsung instead. It can be rough around the edges but works well enough in standard scenarios. Just don't use Debugger.WriteLine over Console. :D
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Why is F# code so robust and reliable?
More expressive nature of F# means you don't have that many files. C# is luckily and finally moving into that direction too. There was no reason for "one file per class" policy anyway, but it was still widely adopted historically.
Here's an example of a worst-case scenario (GUI frameworks have notoriously huge amount of code): https://github.com/fsprojects/Avalonia.FuncUI/blob/master/sr...
But realistically an average project would look closer to this instead: https://github.com/DiffSharp/DiffSharp/blob/dev/src/DiffShar...
Once you have enough files, it might be a good idea to factor out separate concerns into different projects.
- FuncUI v1.5 (Functional xPlat UIs in F#)
- Use Rails
- Uno: Create Beautiful Cross Platform .NET Apps Faster
- AvaloniaUI: Create Multi-Platform Apps with .NET
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A note from our sponsor - SaaSHub
www.saashub.com | 7 Oct 2026
Stats
Basic Avalonia.FuncUI repo stats
30
1,265
7.6
about 1 month ago
fsprojects/Avalonia.FuncUI is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of Avalonia.FuncUI is F#.
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