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Top 10 F# Compiler Projects
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VisualFSharp
The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Project mention: Fable is a compiler that brings F# into the JavaScript ecosystem | news.ycombinator.com | 2026-06-11
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ll-lang
Write once → compile to F#, TypeScript, Python, Java, C#. LLM-optimized syntax. Self-hosting.
Project mention: The 2,600-Line Compiler That Compiles Itself and Emits F#, TypeScript, Python, Java, and C# | dev.to | 2026-05-18Landing page: https://neftedollar.com/ll-lang/
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
F# Compiler discussion
F# Compiler related posts
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Fable is a compiler that brings F# into the JavaScript ecosystem
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The 2,600-Line Compiler That Compiles Itself and Emits F#, TypeScript, Python, Java, and C#
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Remove ML Compatibility (F#)
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Fable 5, F# compiler released
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Fable
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Goodbye Perl
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Show HN: I've asked Claude to improve codebase quality 200 times
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Jun 2026
Index
What are some of the best open-source Compiler projects in F#? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | VisualFSharp | 4,301 |
| 2 | Fable: F# |> BABEL | 3,093 |
| 3 | Rezoom.SQL | 678 |
| 4 | LinqOptimizer | 477 |
| 5 | FunScript | 445 |
| 6 | Fable.Python | 143 |
| 7 | boba | 56 |
| 8 | coollang-2020-fs | 38 |
| 9 | ShenSharp | 36 |
| 10 | ll-lang | 2 |