EBay
Yes, both Marker.io and DoneDone offer a Free Trial.
Marker.io is designed for Large Enterprises, Medium Business and Small Business.
DoneDone is designed for Large Enterprises, Medium Business and Small Business.
The starting price of DoneDone begins at $4/User/Month when Billed Yearly, while pricing details for Marker.io are unavailable.
Some top alternatives to Marker.io includes The Bug Squasher, BugHerd, Buglog, TrackJS, Ybug, BugHost, DebugMe, Bug-Track.com, Disbug and Toybox.
Some top alternatives to DoneDone includes Backlog, Teamwork Desk, Issuetrak, HelpDesk, Snappy, TestRail, Bug-Track.com, Disbug, TaskSift and Crash Catch.