Yes, both Trello and Tonkean offer a Free Trial.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Tonkean is designed for Large Enterprises and Medium Business.
Pricing for Trello Starts at $5/User/Month when Billed Yearly whereas for Tonkean Starts at $10,000/Month.
Some top alternatives to Trello includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, ClickUp, Resource Guru and Height.
Some top alternatives to Tonkean includes Process Street, Kintone, ProcessMaker, K2, Bautomate, Withprocess.com, ShakeSpeare Software, Tibco BPM Enterprise, BPMapp by 500apps and Checkeden.