R – Are there opensource alternative for StreamBase?

open-source

I worked with StreamBase in a previous life, and found it to be very useful for processing streams. However I can't afford StreamBase for a project I'm doing now, but if there is an open-source alternative I'd like to give it a spin. My other solution was to hack together a StreamBase like application using SQLite, but that'll take some time, and I don't have that sort of time right now.

Best Solution