Yes, both WordPress and WebinarNinja offer a Free Trial.
WordPress is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
WebinarNinja is designed for Large Enterprises, Medium Business and Small Business.
Pricing for WordPress Starts at $4/Month when Billed Yearly whereas for WebinarNinja Starts at $24/Month when Billed Yearly.
Some top alternatives to WordPress includes Unbounce, VWO Deploy, SITE123, Wix, Squarespace, Webflow, Builder, WebsiteBuilder, Format, WeWeb, Shopify, Drupal, Concrete5, WebBoss and Web.com.
Some top alternatives to WebinarNinja includes Zoho Meeting, GoToWebinar, EasyWebinar, ClickMeeting, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, PowWowNow Webinar, WebinarJam and Communique Webinar Platform.