Falco 5.0.0-beta4

This is a prerelease version of Falco.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Falco --version 5.0.0-beta4                
NuGet\Install-Package Falco -Version 5.0.0-beta4                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Falco" Version="5.0.0-beta4" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Falco --version 5.0.0-beta4                
#r "nuget: Falco, 5.0.0-beta4"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Falco as a Cake Addin
#addin nuget:?package=Falco&version=5.0.0-beta4&prerelease

// Install Falco as a Cake Tool
#tool nuget:?package=Falco&version=5.0.0-beta4&prerelease                

Falco

NuGet Version build

open Falco
open Falco.Routing
open Microsoft.AspNetCore.Builder

let wapp = WebApplication.Create()

let endpoints =
    // associate GET / to plain text HttpHandler
    [ get "/" (Response.ofPlainText "Hello World!") ]

// activate Falco endpoint source
wapp.UseFalco(endpoints)
    .Run()

Falco is a toolkit for building fast and functional-first web applications using F#. You can think of it as minimal API on steroids.

  • Built upon the high-performance components of ASP.NET Core.
  • Optimized for building full-stack web applications quickly.
  • Seamlessly integrates with existing .NET Core middleware and libraries.

Key Features

Design Goals

  • Provide a toolset to build full-stack web application in F#.
  • Should be simple, extensible and integrate with existing .NET libraries.
  • Can be easily learned.

Learn

The best way to get started is by visiting the documentation. For questions and support please use discussions. The issue list of this repo is exclusively for bug reports and feature requests. For chronological updates refer to the changelog is the best place to find chronological updates.

If you want to stay in touch, feel free to reach out on Twitter.

Have an article or video that you want to share? We'd love to hear from you! To add your content, visit this discussion.

Community Projects

Articles

Videos

Contribute

Thank you for considering contributing to Falco, and to those who have already contributed! We appreciate (and actively resolve) PRs of all shapes and sizes.

We kindly ask that before submitting a pull request, you first submit an issue or open a discussion.

If functionality is added to the API, or changed, please kindly update the relevant document. Unit tests must also be added and/or updated before a pull request can be successfully merged.

Only pull requests which pass all build checks and comply with the general coding guidelines can be approved.

If you have any further questions, submit an issue or open a discussion or reach out on Twitter.

Why "Falco"?

Kestrel has been a game changer for the .NET web stack. In the animal kingdom, "Kestrel" is a name given to several members of the falcon genus. Also known as "Falco".

Find a bug?

There's an issue for that.

License

Built with ♥ by Pim Brouwers in Toronto, ON. Licensed under Apache License 2.0.

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 is compatible.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (3)

Showing the top 3 NuGet packages that depend on Falco:

Package Downloads
Falco.Htmx

HTMX Bindings for the Falco web toolkit.

Falco.OpenApi

OpenAPI integration that provides a set of utilities for generating OpenAPI documentation from Falco routes.

Falco.Bulma

Package Description

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated
5.0.0 662 1/29/2025
5.0.0-rc2 93 1/25/2025
5.0.0-rc1 178 12/17/2024
5.0.0-beta5 92 12/9/2024
5.0.0-beta4 89 11/25/2024
5.0.0-beta3 83 11/24/2024
5.0.0-beta2 101 11/18/2024
5.0.0-beta1 108 11/1/2024
5.0.0-alpha5 183 10/21/2024
5.0.0-alpha4 130 10/18/2024
5.0.0-alpha3 93 10/17/2024
5.0.0-alpha2 94 9/29/2024
5.0.0-alpha1 73 9/22/2024
4.0.6 3,552 12/12/2023
4.0.5 450 11/16/2023
4.0.4 4,290 3/13/2023
4.0.3 897 1/1/2023
4.0.2 448 11/30/2022
4.0.1 370 11/23/2022
4.0.0 637 11/7/2022
4.0.0-rc1 158 11/2/2022
4.0.0-beta4 168 10/26/2022
4.0.0-beta3 158 10/25/2022
4.0.0-beta2 600 9/23/2022
4.0.0-beta1 156 9/13/2022
4.0.0-alpha2 152 9/11/2022
4.0.0-alpha1 188 8/29/2022
3.1.14 1,916 8/29/2022
3.1.13 693 8/11/2022
3.1.12 1,924 5/20/2022
3.1.11 1,166 2/8/2022
3.1.10 830 12/14/2021
3.1.9 452 12/6/2021
3.1.8 419 12/3/2021
3.1.7 820 9/24/2021
3.1.6 391 9/24/2021
3.1.5 399 9/24/2021
3.1.4 524 8/24/2021
3.1.3 558 8/4/2021
3.1.2 491 7/30/2021
3.1.1 473 7/27/2021
3.1.0 451 7/27/2021
3.1.0-beta8 273 7/7/2021
3.1.0-beta7 272 7/6/2021
3.1.0-beta6 285 7/6/2021
3.1.0-beta5 281 7/5/2021
3.1.0-beta4 240 7/5/2021
3.1.0-beta3 327 7/1/2021
3.1.0-beta2 273 7/1/2021
3.1.0-beta1 265 6/15/2021
3.0.5 1,525 6/14/2021
3.0.4 579 5/5/2021
3.0.3 582 4/10/2021
3.0.2 837 12/8/2020
3.0.1 549 12/1/2020
3.0.0 588 11/27/2020
3.0.0-alpha9 316 11/26/2020
3.0.0-alpha8 303 11/25/2020
3.0.0-alpha7 332 11/25/2020
3.0.0-alpha6 327 11/22/2020
3.0.0-alpha5 290 11/20/2020
3.0.0-alpha4 311 11/20/2020
3.0.0-alpha3 294 11/20/2020
3.0.0-alpha2 530 11/11/2020
3.0.0-alpha1 292 11/11/2020
2.1.0 730 11/11/2020
2.0.4 1,929 11/9/2020
2.0.3 600 10/31/2020
2.0.2 1,035 7/31/2020
2.0.1 573 7/20/2020
2.0.0 752 7/12/2020
2.0.0-alpha 348 7/7/2020
1.2.3 583 7/2/2020
1.2.2 553 6/29/2020
1.2.1 624 6/28/2020
1.2.0 627 6/23/2020
1.1.0 794 6/6/2020
1.0.10-alpha 362 5/13/2020
1.0.9-alpha 415 4/29/2020
1.0.8-alpha 360 4/29/2020
1.0.7-alpha 340 4/27/2020
1.0.6-alpha 352 4/24/2020
1.0.5-alpha 349 4/23/2020
1.0.4-alpha 363 4/22/2020
1.0.3-alpha 374 4/19/2020
1.0.2-alpha 374 4/19/2020
1.0.1-alpha 372 4/7/2020
1.0.0-alpha 363 4/6/2020