Project JEDI is an international community of BorlandDelphi developers with a mission to exploit our pooled efforts, experiences and resources to make Delphi and Kylix--the greatest Windows and Linux application development tools--even greater.
You can see more on: http://delphi-jedi.org/
Project JEDI started several OpenSource projects such as JediVcl (JVCL) and JediCodeLibrary? (JCL, not to be confused with JobControlLanguage).