You may use any platform that will allow you to embed your live-stream on your website -- any platform that provides
an iframe raw html code for you to paste on your site. Some of these include the following
Note that html embed code can be used for both Live and Evergreen webinars.
You may, in addition, use a link (also external) to an mp4/webm file if you're running an automated webinar. (with mp4/webm files timed actions in automated webinars are connected to the video time, which continues where user left when reloading the webinar page.)