Yes, both Frame.io and Trello offer a Free Trial.
Frame.io is designed for Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Frame.io Starts at $13/User/Month when Billed Yearly whereas for Trello Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Frame.io includes Ziflow, Wipster, iconik, Zoho Flow, Flowz, Qualified, Superflow, Workvivo, Dropbox Replay, Suite Studios, Reviewflowz and Nextjournal.
Some top alternatives to Trello includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Basecamp, Wrike, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, Resource Guru and Height.