LV-VI is an open source LabVIEW library for managing asynchronously launched VI references in a way that their hierarchies do not go idle.
The most recent VI Package (.vip) can be downloaded here.
Open the VI Package using VI Package Manager and press Install.
In LabVIEW, The LV-Scripting palette can be found in the Erdos Miller palette.
Requires LabVIEW 2015 or later