Yes, both Slack and Flows offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Flows is designed for Individuals, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Flows 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 Flows includes Amazemeet, Lucid Meetings, Minute, Meetric, Tidycal, Meetgeek, Meetingbox, MeetingBest, Topicflow, Planist and sales-i.
