Sure, i've done several of those. SQL front ends, Board game tips/selector (from BGG user database), Starcraft ladder statistics through some web data mining, newspaper subscription workaround (shhh).
Most 'normal' applications use all the same functions as a measurement one except hardware communication, so it works well. And my C is so rusty today so LV is the only thing i'm effective at. 🙂
To give my input to the OP's question, I have used it to create:
LabVIEW is definitely a full programming language but like any language there are things it is better at and things other languages are better at.