Top webinar tool for tech companies

I want to start a discussion about webinar software solutions, specifically, what are the top webinar tools for tech companies? Do any tech workers in the community have experience using these top-rated software systems in G2’s Webinar Platforms category:

1. Zoom Events and Webinars: Scalable webinar hosting with seamless Zoom integration. Can businesses leverage the platform for large-scale webinars?
2. Livestorm: Browser-based webinars with automation and engagement analytics. Are webinar attendees required to download software to attend online events?
3. Webex Events & Webinars: Enterprise-grade virtual events with robust security and scalability. What features ensure that large-scale webinars are secure? 
4. BigMarker: All-in-one webinar marketing and automation platform. Can users integrate marketing automation into webinars?
5. Demio: User-friendly webinars with built-in engagement tools. Can users create interactive webinars without technical complexity, or is training required?
6. GoTo Webinar: Known for reliable and user-friendly webinar hosting. Does it require training sessions to use, or is the tool a straightforward webinar platform?

If you’ve worked with any of the webinar software above or have other recommendations, let me know below in the comments. Which software do you consider to be the top webinar tools, especially for tech companies?