Yes, both Segment and Salesmachine offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Salesmachine is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Segment Starts at $120/Month whereas for Salesmachine Starts at $2,500/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 Salesmachine includes SalesCRM, CloudLead, Parlor, ClientSuccess, ProsperStack, Custify, Catalyst, Gainsight CS, Freshdesk Customer Success and Freshdesk Customer Success (Formely Freshsuccess).