Yes, both Segment and Gainsight PX offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Gainsight PX is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Segment Starts at $120/Month whereas for Gainsight PX Starts at $500/User/Month.
Some top alternatives to Segment includes CustomerLabs CDP, BlueConic, Captain Metrics, Zylotech, Lexer, Acquia Marketing Cloud, BSI CDP, Gravito CDP and euromessage CDP.
Some top alternatives to Gainsight PX includes ProdPad, Productroad, ProdCamp, ProductFlare, Productiv, Zoomph, Amplitude, Userpilot, Pendo and Amplitude Analytics.