Slack is an American cloud-based set of proprietary team collaboration software tools and online services, developed by Slack Technologies. Slack is a workspace where teams can communicate and collaborate. Teamwork in Slack happens in channels — a single place for messaging, tools and files — helping everyone save time and collaborate. One of the awesome features of Slack is Slack Apps, integrations and Slack Bots. A Slack bot is a type of Slack App designed to interact with users via conversation.