Top 23 F# Fsharp Projects
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VisualFSharp
The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio
] toggle in F# https://github.com/fsharp/fslang-suggestions/issues/919#issuecomment-905013334 which can guarantee AOT/linker compatibility - Reference assembly output https://github.com/dotnet/fsharp/pull/12334
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That's a bit of a pity but you can't have everything I suppose. It seems at some point Fable could generate type files - but I haven't looked enough to see if that's still there. At the very least, at least it's an option, even if it's manual for now.
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Check out https://fsprojects.github.io/Paket/ and https://fake.build/ and https://docs.microsoft.com/en-us/dotnet/fsharp/get-started/get-started-vscode for playing with F#.
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Giraffe is a library that sits atop ASP.NET Core and allows developers to build web applications in a functional style; dotnet new giraffe is literally my starting point when I begin a new web application project. (Rather than write three more sentences filled with effusive praise, I’ll just leave it at that; it’s great.) It also provides a view engine (that builds upon Suave‘s “experimental” view engine) which uses an F# DSL to define HTML in a strongly-typed way. It has been incredibly efficient for a while, but with .NET’s work over the past two releases at improving performance, and Giraffe’s adoption of those techniques, it is lightning fast.
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Suave.IO
Suave is a simple web development F# library providing a lightweight web server and a set of combinators to manipulate route flow and task composition.
Giraffe is a library that sits atop ASP.NET Core and allows developers to build web applications in a functional style; dotnet new giraffe is literally my starting point when I begin a new web application project. (Rather than write three more sentences filled with effusive praise, I’ll just leave it at that; it’s great.) It also provides a view engine (that builds upon Suave‘s “experimental” view engine) which uses an F# DSL to define HTML in a strongly-typed way. It has been incredibly efficient for a while, but with .NET’s work over the past two releases at improving performance, and Giraffe’s adoption of those techniques, it is lightning fast.
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NBomber
Modern and flexible load testing framework for Pull and Push scenarios, designed to test any system regardless a protocol (HTTP/WebSockets/AMQP etc) or a semantic model (Pull/Push).
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Project mention: Does anybody know a simple algorithm for generating unit tests given a function's code? | reddit.com/r/compsci | 2021-07-26
Maybe something like QuickCheck, a quick search gave me this library for .NET https://github.com/fscheck/FsCheck
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Scout APM
Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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Bolero
Bolero brings Blazor to F# developers with an easy to use Model-View-Update architecture, HTML combinators, hot reloaded templates, type-safe endpoints, advanced routing and remoting capabilities, and more.
If anyone's feeling adventurous, I just learned that Bolero components can be used in Blazor (and vice versa).
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I was on .Net 5 but same issue on 6. I tried the fix here- setting FSharp.dotnetRoot explicitly in settings.json and so far it seems better.
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Lastly let's check Notes.fs, this file has an elmish implementation, to handle a form submission. I'll skip the whole elmish implementation and focus on the view.
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2 - Any form of Statically Typed, Compile Time-Safe Raw SQL.
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Saturn
Opinionated, web development framework for F# which implements the server-side, functional MVC pattern
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Project mention: Perfect F# React Dev Setup in F# Fable with VS Code, Formatting/Linting | dev.to | 2021-09-08
Fantomas: the code formatter
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SQLProvider
A general F# SQL database erasing type provider, supporting LINQ queries, schema exploration, individuals, CRUD operations and much more besides.
One of the more popular Type Providers I used is the SQL Provider, but even it has severe limitations when it comes to .NET Core.
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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
Project mention: F# Weekly #42, 2021 – .NET 6 RC2 and What’s new in F# 6.0 | reddit.com/r/fsharp | 2021-10-18Add insert/remove/update functions for collections, also Keys/Values for Map
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Feliz
A fresh retake of the React API in Fable and a collection of high-quality components to build React applications in F#, optimized for happiness
Project mention: Fable is a compiler that brings F# into the JavaScript ecosystem | news.ycombinator.com | 2021-10-17Along with Fable highly recommend a look at Feliz. A joy to work with and its ViewEngine can also be separately used w/ Giraffe if you enjoy the syntax:
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Project mention: Binary Analysis Framework B2R2 v0.5.0 released. | reddit.com/r/ReverseEngineering | 2021-10-22
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equinox
.NET Event Sourcing library with CosmosDB, EventStoreDB, SqlStreamStore and integration test backends. Focused at stream level; see https://github.com/jet/propulsion for cross-stream projections/subscriptions/reactions
F# works really well with event-driven architectures. Event sourcing and MVU/Elmish both work well with immutable data (you can't change an event after it's happened!). Discriminated unions are fantastic, and F# event sourcing/MVU libraries make liberal usage of them. Elmish is a frontend agnostic MVU library that has WPF/Javascript/WebAssembly implementations. On the event sourcing side there's Akka (though this is more actor model) and Equinox whose maintainer is incredibly friendly.
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Monad stacks, most commonly Async>, require a lot of boilerplate to deal with or using something like https://github.com/demystifyfp/FsToolkit.ErrorHandling . Which is fine, but it causes dependency mismatches between libs or type mismatches as everyone is implementing their own. A language solution would be nice...
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F# Fsharp related posts
Index
What are some of the best open-source Fsharp projects in F#? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | VisualFSharp | 2,945 |
| 2 | Fable: F# |> BABEL | 2,268 |
| 3 | Paket | 1,783 |
| 4 | Giraffe | 1,694 |
| 5 | Suave.IO | 1,224 |
| 6 | NBomber | 1,164 |
| 7 | FsCheck | 934 |
| 8 | Bolero | 766 |
| 9 | ionide-vscode-fsharp | 708 |
| 10 | F# Data | 686 |
| 11 | elmish | 638 |
| 12 | Rezoom.SQL | 632 |
| 13 | Saturn | 609 |
| 14 | fantomas | 555 |
| 15 | SQLProvider | 463 |
| 16 | Avalonia.FuncUI | 421 |
| 17 | fslang-design | 391 |
| 18 | Feliz | 368 |
| 19 | B2R2 | 326 |
| 20 | equinox | 324 |
| 21 | FsPickler | 310 |
| 22 | FsToolkit.ErrorHandling | 278 |
| 23 | TypeShape | 254 |
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