Yes, both Slack and Workato offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Workato is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Workato 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 Workato includes Zapier, SnapLogic, Tray.io, Zoho Flow, Microsoft Power Automate, IBM Business Automation Workflow, ZapUp by 500apps, Corpa, UiPath RPA and ArcGIS Workflow Manager.