I don't know about R or Python but in C# for IB TWS just for fun I did this:
http://www.bowgett.com/Blog/?tag=IbTalks
The app will replay movie quotes based on your trading.
Is the above app based in Window/IB? Almost no experience in C#.
I wonder the above app should connect to IB (with ID login)? How about some kind of NO-LOGIN method, such as free/open yahoo/finance?
I will be happy if I hear sound "MSFT is you new watch" as soon as MSFT is down to hit $50.
Of course I prepare the matrix (100 rows and 2 columns) as below (with separate program myself), for input file to the new program.
MSFT 50
AXP 51
.....