How to limit quantity available for selected options?

I am looking to use JotForm for workshop registration for an event.  The event will feature 3-4 time blocks for workshops, with 3 options each.  Capacity in each workshop is limited due to the size of the various workshop spaces; is there a functionality that would allow for this, and automatically remove an option (or display as "Workshop Full" or similar) once that workshop hits capacity?  

You can use the Quantity Gift Registry and the Inventory widgets. You can find them here:

https://www.jotform.com/widgets/quantity-gift-registry

https://www.jotform.com/widgets/inventory

The Quantity Gift Registry Widget is good for forms, which have a limited list of items that need to be picked or selected. When the items on your list have run out, the widget will cross out the item as unavailable.

The Inventory widget is similar. It allows you to manage the inventory of a single Item.

Let us know if you need any further assistance.