Yes, both Gryffin and GoalStream offer a Free Trial.
Gryffin is designed for Large Enterprises, Medium Business and Small Business.
GoalStream is designed for Freelancers, Medium Business and Small Business.
Pricing for Gryffin Starts at $49/Month whereas for GoalStream Starts at $6/Month.
Some top alternatives to Gryffin includes GoalStream, Wyvern Magic, SE Ranking, ReportGarden, Dragon Metrics, SoloSEO, Ranktracker, SEOcrawl and SEO Checklist.
Some top alternatives to GoalStream includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, monday.com, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, Trackboard, ProgressBoard, Quick Base, Today, Projectsly by 500apps and Height.