Slack offers Free Trial, but Rivers does not.
Rivers is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/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 Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.