Online forms help collect user information and has myriad uses. These forms can be embedded on your website.
What makes Jotform special is that it has a robust free plan.
Demo of an admission form embedded into a training service provider website with Jotform free plan
Even without a website, one can share link (https://form.jotform.com/202132072396448) on social media/WhatsApp. The form is hosted on Jotform server.