XLConnect sources can be obtained from GitHub:

- XLConnect R Package: https://github.com/miraisolutions/xlconnect
- 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: https://poi.apache.org/
  Full Source Distribution: See https://poi.apache.org/download.html

- Curvesapi: https://github.com/virtuald/curvesapi
  Source Code:
  curvesapi-1.08.jar: https://repo1.maven.org/maven2/com/github/virtuald/curvesapi/1.08/curvesapi-1.08-sources.jar

- SparseBitSet: https://github.com/brettwooldridge/SparseBitSet
  Source Code: 
  SparseBitSet-1.3.jar: https://repo1.maven.org/maven2/com/zaxxer/SparseBitSet/1.3/SparseBitSet-1.3-sources.jar


See also associated copyright information in inst/COPYRIGHTS. 
