This document discusses Atlassian's marketplace for add-ons that extend the functionality of Atlassian products like Jira and Confluence. It highlights how the marketplace offers a vibrant community of add-on developers, with over 1,300 certified add-ons. It also discusses recent improvements to the marketplace to make it easier to discover, learn about, and try add-ons. Examples of new add-ons highlighted include those that integrate files from services like Dropbox, provide reports on Jira data, track financials of Jira projects, and include custom themes for Confluence. The marketplace provides a cost-effective way for organizations to customize Atlassian products.