Yes, both Drip and Slack offer a Free Trial.
Drip is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Drip Starts at $39/Month whereas for Slack Starts at $2.67/Month.
Some top alternatives to Drip includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, MailChimp, Campaign Monitor, Emma, Automizy, Zoho Marketing Automation, Ackwire, 7Engage and Structure Pie.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.