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Slack offers Free Trial, but Coolr does not.
Coolr is designed for 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 Coolr are unavailable.
Some top alternatives to Coolr includes SAP Litmos, Slack, Cisco Jabber, Chatter, Verizon Business Messaging, Google Chat, Socket.IO, Element, Microsoft Kaizala and BearTax.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
