ta-lib

UNIX, POSIX Library for Technical Analysis

The ta-lib provides common functions for the technical analysis of financial market data. Widely used by trading software developers working with Excel, .NET, Java, Perl, Python or C/C++. More than 150 technical analysis indicators such as ADX, MACD, RSI, Stochastic, Bollinger Bands. Includes candlestick pattern recognition. Optional abstract API allowing your code to adapt automatically when new functions are added!