This add-on allows you to set a file path to a directory with blend-file(s) containing node groups. All the node groups will then be available from a new menu in themenu.
Open Blender and go to Preferences then the Add-ons tab.
Click Render then Node Presets to enable the script.
In the add-on’s preferences you can set the path to your directory. The directory or folder can have multiple blend-files and all node groups they contain will be available. All node editors are supported, you can add compositing, texture and material node groups.
Add node presets.
This add-on is bundled with Blender.