Yes, both Slack and Futr offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Futr is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Futr 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 Futr includes Aktok Chatbot, Hybrid.Chat, ChatBot, aiaibot, ChatAndBot and Tiledesk.