ABBYY provides most of the tools and samples for one to create any number of apps.
They make apps also for customers.
http://www.abbyy-developers.eu/en:tech:samples:start
I have read where it is rumored to work with openoffice but I can't confirm that.
To make a simple gui that basically directs the cli would be fairly easy I'd think. There are a few easy ways to make windowed apps that are just command line fronts. Last time I made one was with a kde tool.
Also data here.
http://www.abbyy-developers.eu/en:tech:samples:start