You will be able to find all available webinar software under the product editor within your JVZoo account. These integrations are completely set up and they will find their own integration documentation there as well.
If you want to write custom scripts will want to work with your programmer. Not all third party softwares work with JVZoo so you will want to contact the provider to ensure that your integration will work.
To learn more about webinar setup and integration you can refer to the tutorial video in this artcile here: https://jvzoo.zendesk.com/hc/en-us/articles/221620008-Setting-Up-Webinars-With-JVZoo