...plans to move to the open source Eclipse development infrastructure, to help bolster forthcoming releases of its JBuilderdevelopment suite. Borland has traditionally focused on three product lines: integrated development environments (IDEs...
http://www.computerweekly.com/Articles/2005/08/23/211409/News-in-brief.htm
...adding it to JBuilder is a relatively simple task, especially given the support of the OpenTools APIs and the JBuilderdevelopment environment. The example shown here generates classes to implement JSP custom tags. It is available for download...
http://edn.embarcadero.com/article/images/32444/opentoolspaper.pdf