Use F# in the browser

Option 1: Try F# on try.fsharp.org

logo TryFSharp enables you to try F# in an online editor/compiler without having to install anything on your computer. It includes example code for many of F#’s basic features.


Option 2: Try Fable in the REPL

logo Try Fable in the REPL. Fable is a compiler powered by Babel that makes F# a first-class citizen of the JavaScript ecosystem.


Option 3: Try F# in Bolero

Try F# in Bolero is an online F# playground running entirely in the browser using WebAssembly. Powered by Bolero.


Option 4: Try F# in sharplab.io

SharpLab is a C#/VB/F# compiler playground, allows you to see compiled code including generated assembly code.


Registration required

Option 5: Try F# in CloudSharper

CloudSharper is an online web and mobile programming with big data and charting. Registration required.


Option 6: Try F# in GitHub Codespaces

GitHub Codespaces allows you to access cloud-hosted dev environments from Visual Studio Code or your browser.

Easiest way to get started with Gitpod is going to Ionide Playground repository and clicking Code - Open with Codespaces.


Option 7: Try F# in Gitpod

Gitpod is an online service providing environments accessible from browser based IDE. F# support in Gitpod is powered by Ionide. Registration required, paid service, includes free OSS plan.

Easiest way to get started with Gitpod is going to Ionide Playground repository and clicking Open in Gitpod button