Yes, both Slack and TeamRetro offer a Free Trial.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
TeamRetro is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for TeamRetro Starts at $20.83/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 TeamRetro includes Retrium, Retros.work, Timbo, EasyRetro, Tidycal, RemoteRetro, TeleRetro, Metro Retro, GoRetro, Reetro and bttr.
