Yes, both Showell and ClearSlide offer a Free Trial.
Showell is designed for Large Enterprises, Medium Business and Small Business.
ClearSlide is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Showell Starts at $18/User/Month whereas for ClearSlide Starts at $35/User/Month.
Some top alternatives to Showell includes Sales Desk, Enablix, Prezentor, Scaura, Veelo, SAP Sales Cloud, SalesHood, sales-i, Master-O and Zoomifier.
Some top alternatives to ClearSlide includes iPresent, Prezentor, Showell, ZoomInfo Engage, Salesvue, StorySlab, SalesReach, ShoDeck, Zoomifier and slideZing.