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An add-on is a separately installed component that provides Confluence functionality. The terms 'plugin' and 'add-on' are often used interchangeably.
There are two main types of add-ons:
For information about developing your own add-ons for Confluence, see the Confluence Developer documentation.
Add-ons are managed via the Universal Plugin Manager (known as the UPM). The UPM can be found in most Atlassian applications, and provides a consistent experience for administering add-ons.
The UPM allows you to:
You'll need Confluence Administrator permissions to access the UPM. See Requesting Add-ons for information on how users can find and request add-ons.
See the Universal Plugin Manager documentation for more information on using the UPM.