Blueprint Assist
https://www.fab.com/listings/14d7ba87-a587-406d-9369-ed75fa0a55ed
The plugin adds shortcuts for all node creation and modification functionality which were previously only accessible through the mouse.
Node formatting: When a user places a node on the graph, the node formatting algorithm is run. So as
you code your Blueprint, your nodes are automatically positioned so they are readable.
Numerous keyboard shortcuts: The plugin adds shortcuts for all node creation and modification
functionality which were previously only accessible through the mouse. No more right-clicking
every time you want to create a node!
Additional quality of life features and improvements: A number of new features and functionality
are included in the plugin.
I highly suggest you also download the free AutoSizeComments plugin. The BlueprintAssist plugin does not handle comment nodes. AutoSizeComments fixes this issue and comes with other useful functionality.
Technical Details
Usage
Settings for the plugin can be found under Editor Preferences | Plugins | Blueprint Assist
Keyboard shortcuts can be rebound under Editor Preferences | General | Keyboard Shortcuts | Blueprint Assist Commands