Yes, both Slack and JobAdder offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
JobAdder is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for JobAdder 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 JobAdder includes monday.com, CleverStaff, Recruit CRM, Recruiterflow, myStaffingPro, Beehire, Winrecruit, Vincere, Bullhorn ATS & CRM, erecruit, iStaff and Staffcloud.