Open source software for finance

Opensoource and free software for  investment analysis: R,PSPP, QuantLib, Tradelink

R

In computing, R is a programming language and software environment for statistical computing and graphics. It is an implementation of the S programming language with lexical scoping semantics inspired by Scheme. R was created by Ross Ihaka and Robert Gentleman[2] at theUniversity of Auckland, New Zealand, and is now developed by the R Development Core Team. It is named partly after the first names of the first two R authors (Robert Gentleman and Ross Ihaka), and partly as a play on the name of  R is also called GNU S

PSPP

PSPP aspires to be completely compatible with SPSS. It interprets syntax files written in the SPSS language and produces similar output. Some statistical procedures are not yet supported, but these are under development. Despite that, PSPP is in many instances a viable Free alternative to SPSS.

QuickFIX/J

The Financial Information eXchange (FIX) protocol is a messaging standard developed specifically for the real-time electronic exchange of securities transactions. FIX is a public-domain specification owned and maintained by FIX Protocol, Ltd (FPL). QuickFIX/J is a full featured messaging engine for the FIX protocol. It is a 100% Java open source implementation of the popular C++ QuickFIX engine.

QuantLib

The QuantLib project is aimed at providing a comprehensive software framework for quantitative finance. QuantLib is a free/open-source library for modeling, trading, and risk management in real-life. QuantLib is written in C++ with a clean object model, and is then exported to different languages such as C#, Objective Caml, Java, Perl, Python, GNU R, Ruby, and Scheme. The QuantLibAddin/QuantLibXL project uses ObjectHandler to export an object-oriented QuantLib interface to a variety of end-user platforms including Microsoft Excel and OpenOffice.org Calc. Bindings to other languages and porting to Gnumeric, Matlab/Octave, S-PLUS/R, Mathematica, COM/CORBA/SOAP architectures, FpML, are under consideration. See the extensions page for details. Appreciated by quantitative analysts and developers, it is intended for academics and practitioners alike, eventually promoting a stronger interaction between them. QuantLib offers tools that are useful both for practical implementation and for advanced modeling, with features such as market conventions, yield curve models, solvers, PDEs, Monte Carlo (low-discrepancy included), exotic options, VAR, and so on. The library could be exploited across different research and regulatory institutions, banks, software companies, and so on. Being a free/open-source project, quants contributing to the library would not need to start from scratch every time.

Esper

Esper is a component for CEP and ESP applications, available for Java as Esper, and for .NET as NEsper. Esper and NEsper enable rapid development of applications that process large volumes of incoming messages or events. Esper and NEsper filter and analyze events in various ways, and respond to conditions of interest in real-time. Complex Event Processing, or CEP, is technology to process events and discover complex patterns among multiple streams of event data. ESP stands for Event Stream Processing and deals with the task of processing multiple streams of event data with the goal of identifying the meaningful events within those streams, and deriving meaningful information from them. Real-time OLAP (online analytical processing) and continuous query are also terms used frequently for this technology.

Marketcetera

Open Source Trading Platform Marketcetera is an open source platform for strategy-driven trading, providing you with all the tools you need for strategy automation, integrated market data, multi-destination FIX routing, broker neutrality and more. Marketcetera provides an open-source trading platform that hedge funds and others use to process and deliver trades through a brokerage to an exchange (like NASDAQ).

TradeLink

Off-the-shelf Trading Platform You may think of TradeLink as a free and more open version of TradeStation or NinjaTrader. In this capacity can use TradeLink to : * quickly write and test fully automated trading strategies * write and test semi-automated strategies * write and test display-only indicators * collect market data and analyze it for trends * trade discretionarily * do all of the above with multiple brokers and feeds.

ActiveQuant

AQ is a framework or an API for automated trading, opportunity detection, financial engineering, research in finance, connecting to brokers, etc. – basically everything around trading, written in Java, using Spring and Maven2. All is published under a usage friendly open source license.

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