Yes, both Slack and Clientjoy offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Clientjoy is designed for Freelancers, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Clientjoy Starts at $149One-Time Payment.
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 Clientjoy includes Salesforce Sales Cloud, Pipedrive, Thryv, Vendasta, ClickUp, Zoho CRM, Salesforce, noCRM.io, C2CRM, Keap, SalesCRM, Salesdash CRM, Client Book CRM, AllClients, Service Provider Pro and Agencyjoy.