An active community of Zotero users has developed a variety of plugins to provide enhancements, new features, and interfaces with other programs.
To install a plugin in Zotero, download its .xpi file to your computer. Then, in Zotero, click “Tools → Add-Ons”, then drag the .xpi for the plugin onto the Add-Ons window that opens.
Any add-ons shared here are "install at your own risk." We can make no guarantees about the safety or security around installing these add-ons.
Here are a few we've tried: