Slack offers Free Trial, but Pantram does not.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pantram is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Pantram are unavailable.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to Pantram includes Project.co, Sensive, StudioCloud, Showly, Service Provider Pro, Clientshare, Qualified, Workvivo, Upcoach, OfficeFiles, Client and IFTTT.