Yes, both Slack and Funnel CRM offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Funnel CRM is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Funnel CRM Starts at $10/Month.
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 Funnel CRM includes Pipedrive, HubSpot CRM, ClickUp, Freshsales, Salesflare, Close, Vendasta, Keap, Zoho CRM, Salesforce, Thryv, noCRM.io, SimpleCRM, CRM.me, FreeCRM, DigitalCRM.com, Cool Life CRM and CRM.io by 500apps.