Yes, both Zenduty and Spike.sh offer a Free Trial.
Zenduty is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Spike.sh is designed for Medium Business and Small Business.
Pricing for Zenduty Starts at $5/User/Month when Billed Yearly whereas for Spike.sh Starts at $7/User/Month.
Some top alternatives to Zenduty includes Freshservice, PagerDuty, Opsgenie, VictorOps, AlertOps, Spike.sh, Rootly, Incident.io, StatusCast Incident Management, PagerTree and ResQ.
Some top alternatives to Spike.sh includes Freshservice, PagerDuty, YetiCloud, Amixr, TaskSift, AlertOps, Mission Manager, FireHydrant, Incident.io, StatusCast Incident Management and ResQ.