There is nothing magical about the WebSharper extensions. You can create your own extensions. There are various explanations online, some a bit out-dated, and the team is very friendly - feel free to ask them questions, either via e-mail or on FPish.
1
David Grenier
On
I started a D3.js wrapper a little while ago, you can use it and hopefully continue and extend it:
There is nothing magical about the WebSharper extensions. You can create your own extensions. There are various explanations online, some a bit out-dated, and the team is very friendly - feel free to ask them questions, either via e-mail or on FPish.