Slack offers Free Trial, but CampaignTracker does not.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
CampaignTracker is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for CampaignTracker Starts at $10/Month when Billed Yearly.
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 CampaignTracker includes Bitly, ShortURL, enBrandly, Short.io, Switchy, Linkjoy, MyLinks On Acalytica, CampaignTrackly, Smartlnks.com and UTM Manager.