[R-SIG-Finance] real time data feeds - commercial services

[binabina at bellsouth.net]

Hello, anyone can recommend a few (inexpensive) 3rd party services that provide real time data for the markets with a Java API or some type of webservice to fetch the data?  Stock, bond, currency, option, and technical type indicators.   Like to begin creating some workflows using R to implement some algorithmic traded ,but need real time data! 

thanks in advance 
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