XLConnect sources can be obtained from GitHub:

- XLConnect R Package: https://github.com/miraisolutions/xlconnect
- XLConnectJars R Package: https://github.com/miraisolutions/xlconnectjars
- XLConnect Java Sources: https://github.com/miraisolutions/xlconnect-java


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

- Apache POI: http://poi.apache.org/
  Source Code: 
  poi-3.16.jar: http://repo1.maven.apache.org/maven2/org/apache/poi/poi/3.16/poi-3.16-sources.jar
  poi-ooxml-3.16.jar: http://repo1.maven.apache.org/maven2/org/apache/poi/poi-ooxml/3.16/poi-ooxml-3.16-sources.jar

- Curvesapi: https://github.com/virtuald/curvesapi
  Source Code:
  curvesapi-1.04.jar: http://central.maven.org/maven2/com/github/virtuald/curvesapi/1.04/curvesapi-1.04-sources.jar

See also associated copyright information in inst/COPYRIGHTS. 
