Yes, both Miro and Confluence offer a Free Trial.
Miro is designed for Large Enterprises, Medium Business and Small Business.
Confluence is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Miro Starts at $8/User/Month when Billed Yearly whereas for Confluence Starts at $8.33/User/Month when Billed Yearly.
Some top alternatives to Miro includes Collaboard, Microsoft Whiteboard, WhiteboardFox, Conceptboard, MURAL, Lucidspark, Whimsical, Board, Zoom Whiteboard and Witeboard.
Some top alternatives to Confluence includes Jira, Microsoft SharePoint, Google Workspace, GitBook, Zoho Wiki, Drupal Wiki, TWiki, Wiki Valley, XWiki and Team Wiki.