Ironically enough, it seems that the Linux Pandora's box has been opened.
OpenBinder, which is the core technology that ex-Be Inc. engineers started and that finished implemention at PalmSource as one of the key foundations of the Cobalt system, is now being open-sourced for Linux.
I'll admit that as a non-programmer, this is super heady stuff, but can help individual coders take on an OSS approach to keep Palm going. You can read an article with Dianne Hackborn, one of the key engineers of PalmOS Cobalt, who worked on OpenBinder...
here.