Yes, both Dropbox Business and Flow offer a Free Trial.
Dropbox Business is designed for Large Enterprises, Medium Business and Small Business.
Flow is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Dropbox Business Starts at $12.50/Month whereas for Flow Starts at $6/User/Month when Billed Yearly.
Some top alternatives to Dropbox Business includes CollaborateCloud, Google Workspace, Odrive, Sync.com, Google Drive, FileCloud, Box, Microsoft OneDrive for Business, Dropbox Professional and BluSync.
Some top alternatives to Flow includes Smartsheet, Miro, Process Street, Wrike, Notion, TeamGantt, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, Trackboard, TaskBranch, Quick Base, ClickUp, Height, Task Flow and Project Insight.