Xamarin Forms Source Browser

After I found https://referencesource.microsoft.com/ I have been using it non stop every time I want to do quick check on a class implementation, or even out of curiosity when I am bored. (I know, my hobbies 🤦‍♂️).

I really like how fast it is and how it has many features we already love: Go To Definition, Find all References, Highlight References and more.

Being a Xamarin Developer, of course I wanted something like this for us, and I actually found it at http://xamarinforms-source-browser.azurewebsites.net/.

If you click on that link now you will see that

This site can’t be reached.

Actually the last time Way Back Machine has a snapshot of the site was February 12.

After using it for a while, not having access was not a choice for me anymore. That is how https://source.xafmarin.com was born.

Same functionality, only difference now I have a little more control over it😎.

I hope you guys find it as useful as I do.

Xafmarin Out!


  • I believe most of the code on the Xamarin Forms Github Repo is there. I had some errors when generating the site but I have not found an issue yet. Feel free to reach out if you find any.


  • Last commit so far is Merge branch ‘4.3.0’ on September 7.
  • Some files from the Xamarin.Forms.Platform.Android project are missing. I am fixing this, they should be up in the near future.

Big thanks to Kirill Osenkov for his guidance.


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