Yes, both Slack and Zoho Survey offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zoho Survey is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Zoho Survey Starts at $25/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 Zoho Survey includes SurveyMonkey, SmartSurvey, QuestionPro, SurveyMethods, SurveySparrow, Couchsurvey, Key Survey Software, SurveyExpression, Cognito Forms, Zoho Forms, SurveyKing and SurveyMonkey Enterprise.