I followed up on my blog post from August, giving the wider free
software community a more detailed overview of some of the possibilities
with market data.

http://danielpocock.com/real-time-streaming-market-data-with-free-open-source-software



There is also some related work going on in LibreOffice, there is a link
to their discussion thread:

http://lists.freedesktop.org/archives/libreoffice/2013-November/057706.html