Yes, both Gainsight PX and Calido offer a Free Trial.
Gainsight PX is designed for Large Enterprises, Medium Business and Small Business.
Calido is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Gainsight PX Starts at $500/User/Month whereas for Calido Starts at $49/User/Month when Billed Yearly.
Some top alternatives to Gainsight PX includes ProdPad, Productroad, ProdCamp, ProductFlare, Productiv, Zoomph, Amplitude, Userpilot, Pendo and Amplitude Analytics.
Some top alternatives to Calido includes Aha!, productboard, Productroad, Backlogs, ProductFlare, Next Please, VisionFlow, IdeaPlan, Frill and Aprimo Productivity Management.