Yes, both Hubspot Marketing Hub and Slack offer a Free Trial.
Hubspot Marketing Hub is designed for Large Enterprises, Medium Business and Small Business.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Hubspot Marketing Hub Starts at $3,600 whereas for Slack Starts at $2.67/Month.
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.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.