Yes, both Segment and Datadog APM offer a Free Trial.
Segment is designed for Large Enterprises, Medium Business and Small Business.
Datadog APM is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Segment begins at $120/Month, while pricing details for Datadog APM are unavailable.
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 Datadog APM includes Retrace, Scout APM, New Relic APM, Nastel AutoPilot, AppDynamics, Dynatrace, Instana, Thundra APM and APImetrics.