Reviewers largely see Slack as the default hub for team communication: fast, organized, and especially strong for remote work, with channels, threads, file sharing, search, and broad integrations repeatedly cited as the main reasons teams rely on it daily. Several founders, including the makers of , , and , also praise it as a natural platform for integrations and alerts. The main complaints are familiar: too many notifications, channel sprawl, thread clutter, uneven search, and limits or cost concerns for growing teams.