Yes, both DoneDone and TaskSift offer a Free Trial.
DoneDone is designed for Large Enterprises, Medium Business and Small Business.
TaskSift is designed for Large Enterprises, Medium Business and Small Business.
Pricing for DoneDone Starts at $4/User/Month when Billed Yearly whereas for TaskSift Starts at $7.50/Month when Billed Yearly.
Some top alternatives to DoneDone includes Backlog, Teamwork Desk, Issuetrak, HelpDesk, Snappy, TestRail, Bug-Track.com, Disbug, TaskSift and Crash Catch.
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.