Yes, both Adobe Connect and Demio offer a Free Trial.
Adobe Connect is designed for Large Enterprises, Medium Business and Small Business.
Demio is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Adobe Connect Starts at $50/Month whereas for Demio Starts at $34/Month when Billed Yearly.
Some top alternatives to Adobe Connect includes Cisco Webex Meetings, BigBlueButton, Zoho Meeting, ON24, GoToWebinar, EasyWebinar, LiveWebinar, ezTalks Webinar, Zoom Video Webinar and Cisco Webex Webinars (formerly Webex Events).
Some top alternatives to Demio includes GoToWebinar, EasyWebinar, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, WebinarNinja, webinar.net, EverWebinar, WebinarJam and eWebinar.