Yes, both Slack and Xoxoday Empuls offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Xoxoday Empuls is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Xoxoday Empuls Starts at $1.66/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 Xoxoday Empuls includes Deel, Synergita, Culture Amp, Energage, emplo, Cooleaf, WorkTango, FeedbackSocially, Workmates, Honestly Employee Engagement, EngageRocket, Employee Success Platform, Engage4 and Motivosity.