Yes, both TwentyThree and EasyWebinar offer a Free Trial.
TwentyThree is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
EasyWebinar is designed for Large Enterprises, Medium Business and Small Business.
Pricing for TwentyThree Starts at $1,499/Month whereas for EasyWebinar Starts at $59/Month when Billed Yearly.
Some top alternatives to TwentyThree includes Adobe Connect, GoToWebinar, EasyWebinar, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, WebinarNinja, PowWowNow Webinar, WebinarJam and eWebinar.
Some top alternatives to EasyWebinar includes Zoho Meeting, GoToWebinar, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, WebinarNinja, webinar.net, EverWebinar, WebinarJam and eWebinar.