Atlassian's Confluence is a collaboration software designed to help teams create, share, and manage content in one centralized location. It allows users to build and organize documentation, meeting notes, and project plans using a user-friendly interface. Confluence integrates seamlessly with other Atlassian products, such as Jira and Trello, enhancing team productivity and communication. It supports real-time editing, version control, and customizable templates, making it easier for teams to work together efficiently, regardless of their physical location.