Reviewers largely view Slack as the default hub for team communications: fast, reliable, and especially robust for channels, threads, search, file sharing, Huddle, and comprehensive integrations that reduce email and keep remote teams aligned. Many say it fits well into engineering and startup workflows and is easier to live with than alternatives like Teams or Discord. The recurring downside is noise: too many notifications, cluttered channels, buried threads and increasing feature complexity. Some also cite free-plan limits, pricing, occasional lag, and weak video performance.
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