There are many webinar platforms available, each with their own unique features and capabilities. Some popular options include Zoom Webinar, GoToWebinar, Demio, BigMarker, and Livestream. These platforms offer features such as live streaming, recording, and replay capabilities, as well as interactive tools like polls, Q&A sessions, and chatboxes. They also often provide analytics and reporting tools to help measure engagement and track the success of the webinar. Additionally, some platforms offer integrations with popular marketing automation tools and customer relationship management (CRM) systems.