Yes, both Slack and Jitbit Helpdesk offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Jitbit Helpdesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Jitbit Helpdesk Starts at $24.92/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 Jitbit Helpdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Apptivo, Teamwork Desk, HelpDesk, SysAid, ReadyDesk, AzureDesk, Help Desk Premier, BoldDesk and Scopedesk.
