Yes, both OpenProject and Miro offer a Free Trial.
OpenProject is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Miro is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Miro begins at $8/User/Month when Billed Yearly, while pricing details for OpenProject are unavailable.
Some top alternatives to OpenProject includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Zoho Projects, Taiga, Asana, Teamwork, ProjectManager.com, Microsoft Project, Leantime, Worksuite, Quick Base, ClickUp, Resource Guru, Redmine X, Height and RedmineUP.
Some top alternatives to Miro includes Collaboard, Microsoft Whiteboard, WhiteboardFox, Conceptboard, MURAL, Lucidspark, Whimsical, Board, Zoom Whiteboard and Witeboard.