Yes, both Slack and Product Fruits offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Product Fruits is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Product Fruits Starts at $69/User/Month when Billed Yearly.
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 Product Fruits includes UserIQ, Appcues, Affinity Canvas, Usetiful, Experience Layer, GuideCX, Onboard.io, Driftly, Inboarding and OnboardFlow.