Novell has integrate basic support for VBA (Visual Basic for Application) into OpenOffice.org's source code and release them into Novell's version of OOo. With this release, people who has written a VBA script in Microsoft Office don't have to rewritten the macro they made when being opened in OpenOffice.org application. Though it's not 100% finished yet, it is a good sign that the application will have more interoperability between platforms. So far, Novell is focusing on OpenOffice.org Calc which is the equivalent application for Microsoft Excel.
The source code is freely available from OpenOffice.org Hacker Page and instructions on how to build it are on the OpenOffice.org build page. Want to try it? Start hacking OOo!!!