Yes, both Zenduty and TaskSift offer a Free Trial.
Zenduty is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TaskSift is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zenduty Starts at $5/User/Month when Billed Yearly whereas for TaskSift Starts at $7.50/Month when Billed Yearly.
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 TaskSift includes Freshservice, HelpDesk, osTicket, Snappy, Support.cc by 500apps, PagerDuty, YetiCloud, Spike.sh, Mission Manager, StatusCast Incident Management and Suptask.