Yes, both Slack and Hubspot Marketing Hub offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Hubspot Marketing Hub is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Hubspot Marketing Hub Starts at $3,600.
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 Hubspot Marketing Hub includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, dotdigital, MaaxMarket, SAS Marketing Automation, Marketing Optimizer, Salesforce, SalesNexus, CompanyHub CRM, Salesforce Sales Cloud, Adobe Marketo Engage and Zoho Marketing Automation.