Yes, both Trello and Ryver offer a Free Trial.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Ryver is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Trello Starts at $5/User/Month when Billed Yearly whereas for Ryver Starts at $4.67/User.
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.
Some top alternatives to Ryver includes remonade, ClickUp, Jamm, Microsoft Teams, mi.team, Google Workspace, Glip, Melp, Teams.cc by 500apps, Zellim and Remo Virtual Office.