Yes, both Segment and Proof Experiences offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Proof Experiences is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Segment Starts at $120/Month whereas for Proof Experiences Starts at $799/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 Proof Experiences includes Fomo, Proof, Convertproof, Conversion Plus, Super Social Proof, Social Proofy, Proof Pulse, Proofly, SocialProof and Socital.