Reviewers largely see Slack as a strong daily hub for team communication: channels, threads, search, file sharing, huddles, and broad integrations help remote and cross-functional teams stay organized, move faster, and cut email. Several users also call it cleaner or easier to adapt to than Teams, Discord, or basic chat tools. The main complaint is noise: too many notifications, crowded channels, buried threads, and growing feature clutter can make it feel overwhelming. Some also flag limits or higher costs for free and larger-team use.