Yes, both Slack and Freshdesk offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Freshdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Freshdesk Starts at $15/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 Freshdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, SeamlessDesk, LiveAgent, HelpDesk, SysAid, HubSpot Service Hub, Salesforce Service Cloud, CRMdesk, Helpspot, Sitehelpdesk and Trakdesk.