Yes, both Slack and Zoho CRM Plus offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zoho CRM Plus is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Zoho CRM Plus Starts at $57/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 Zoho CRM Plus includes Salesforce Sales Cloud, Pipedrive, Thryv, Vendasta, Zoho One, ClickUp, Zoho CRM, Salesforce, Keap, SalesCRM, SimpleCRM, Salesdash CRM, DigitalCRM.com, BizPlus CRM, monday sales CRM by monday.com and Salesforce Partner Relationship Management.