Yes, both FogBugz and Freshbooks offer a Free Trial.
FogBugz is designed for Large Enterprises, Small Business and Medium Business.
Freshbooks is designed for Freelancers, Medium Business and Small Business.
The starting price of Freshbooks begins at $8/month when monthly, 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 Freshbooks includes Quickbooks, Xero, Zoho Books, FreeAgent, QuickFile, HoneyBook, Zoho Invoice, Busy Accounting Software, QuickBooks Desktop Pro and Wave.