Yes, both MaestroConference and TwentyThree offer a Free Trial.
MaestroConference is designed for Large Enterprises, Medium Business and Small Business.
TwentyThree is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for MaestroConference Starts at $39/Month when Billed Yearly whereas for TwentyThree Starts at $1,499/Month.
Some top alternatives to MaestroConference includes Zoho Meeting, Adobe Connect, GoToWebinar, ClickMeeting, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, enableX Webinar, WebinarJam and Tevent.
Some top alternatives to TwentyThree includes Adobe Connect, GoToWebinar, EasyWebinar, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, WebinarNinja, PowWowNow Webinar, WebinarJam and eWebinar.