Yes, both FogBugz and CA Flowdock offer a Free Trial.
FogBugz is designed for Large Enterprises, Small Business and Medium Business.
CA Flowdock is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of CA Flowdock begins at $3/User/Month, while pricing details for FogBugz are unavailable.
Some top alternatives to FogBugz includes Freshbooks, Jira, Wrike, Smartsheet, Zoho Projects, GitScrum, Teamwork, ProjectManager.com, Backlog, Worksuite, Sprintly, Quick Base, ClickUp, Resource Guru, TestRail, Height, Yodiz and TaskBlast.
Some top alternatives to CA Flowdock includes ReclaimAI, ZoomInfo InboxAI, Dockbit, Slack, Hibox, Flowz, Qualified, Chatdochub, Workvivo, Flowall, Teamflow, OneDock and IFTTT.