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Slack offers Free Trial, but Google Tag Manager does not.
Google Tag Manager is designed for Large Enterprises, Medium Business and Small Business.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Slack begins at $2.67/Month, while pricing details for Google Tag Manager are unavailable.
Some top alternatives to Google Tag Manager includes Viraltag, Launch by Adobe, TagCommander, Tag Governance, Tealium iQ, Google Analytics, GingerTag, TapAnalytics, Tagmate and Scale8.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.