https://cran.r-project.org/web/views/Finance.html
http://www.bloomberglabs.com/api/libraries/
https://github.com/bpsmith/pybbg
https://pypi.python.org/pypi?%3Aaction=search&term=finance&submit=search
https://pypi.python.org/pypi?:action=browse&show=all&c=33
https://www.quantnet.com/threads/free-open-source-java-library-for-quantitative-finance.3238/
http://www.jquantlib.org/
http://www.asymptotix.eu/content/quantitative-libraries-financial-predictive-analytics
http://www.xweld.com
http://quantcomponents.com
https://www.quantnet.com/threads/open-source-financial-software.2605/
http://quant.stackexchange.com/questions/4181/library-of-basic-indicators
http://www.quantcode.com
http://www.cs.utah.edu/~cxiong/