Neither Rivers nor Microsoft Teams offers a free trial.
Rivers is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Microsoft Teams is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Microsoft Teams begins at $4/User/Month, while pricing details for Rivers are unavailable.
Some top alternatives to Rivers includes Microsoft Teams, mi.team, Slack, Glip, Trillian, Dialog, imBee, Softros LAN Messenger, Brosix and Teamwork Chat.
Some top alternatives to Microsoft Teams includes Flock, CollaborateCloud, Zoho Connect, Zoho Cliq, ClickUp, Workplace, Cisco Webex Teams, mi.team, Google Workspace, Teams.cc by 500apps and Teamwork Chat.