Yes, both Segment and Dreamdata offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Dreamdata is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Segment Starts at $120/Month whereas for Dreamdata Starts at $499/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 Dreamdata includes Bizible, Attribution, Roivenue, Align.ly Attribution, Attributer, Adjust, Kochava, Cubed and HockeyStack.