PortfolioEffect sources can be obtained from GitHub:

- PortfolioEffect HFT Package for R: https://github.com/PortfolioEffect/portfolioeffect-quant-r
- PortfolioEffect Java Client API Sources: https://github.com/PortfolioEffect/portfolioeffect-quant-java


Sources for other open source software components can be obtained from the corresponding project websites or source code repositories:

- OpenFAST: http://www.openfast.org/
  Source Code: 
  openfast-1.1.2: http://sourceforge.net/projects/openfast/files/openfast4j/openfast4j-1.1.2/openfast-1.1.2-src.zip/download
  
- JavaFastPFOR: https://github.com/lemire/JavaFastPFOR
  Source Code: 
  JavaFastPFOR-0.1.3: https://github.com/lemire/JavaFastPFOR/archive/JavaFastPFOR-0.1.3.zip

- Apache Commons Lang: https://commons.apache.org/proper/commons-lang/
  Source Code:
  commons-lang-2.6: http://www.trieuvan.com/apache//commons/lang/source/commons-lang-2.6-src.zip

- GNU Trove: https://bitbucket.org/trove4j/trove
  Source Code:
  trove-3.0.3: https://bitbucket.org/trove4j/trove/downloads/trove-3.0.3.zip

- Google GSON: https://github.com/google/gson
  Source Code:
  gson-2.2.4: https://github.com/google/gson/archive/gson-2.2.4.zip

- GNU Crypto: https://www.gnu.org/software/gnu-crypto/
  Source Code:
  gnu-crypto-2.0.1: ftp://ftp.gnu.org/gnu/gnu-crypto/releases/gnu-crypto-2.0.1.zip
  
- Apache Log4j: http://logging.apache.org/log4j/1.2/
  Source Code: 
  log4j-1.2.17: http://www.apache.org/dyn/closer.cgi/logging/log4j/1.2.17/log4j-1.2.17.zip  
  
- XStream: http://x-stream.github.io/
  Source Code: 
  xstream-1.4.2: http://repo.maven.apache.org/maven2/com/thoughtworks/xstream/xstream/1.4.2/xstream-1.4.2-sources.jar

- Snappy: https://github.com/dain/snappy
  Source Code:
  snappy-0.3: https://github.com/dain/snappy/archive/snappy-0.3.zip
  
- JUnit: http://junit.org/
  Source Code:
  junit-4.9: http://sourceforge.net/projects/junit/files/junit/4.9/junit-4.9-src.jar/download

- Hamcrest Core: http://hamcrest.org/JavaHamcrest/
  Source Code: 
  hamcrest-core-1.1: https://github.com/hamcrest/JavaHamcrest/archive/hamcrest-java-1.1.zip

- XPP3: http://www.extreme.indiana.edu/xgws/xsoap/xpp/mxp1/
  Source Code:
  xpp3-1.1.4c: http://www.extreme.indiana.edu/dist/java-repository/xpp3/distributions/xpp3-1.1.4c_src.zip


See also associated copyright information in inst/COPYRIGHTS.