Who/What is Blackdown?
Thanks to the growing importance of Linux and Blackdown's porting successes, there is now competition: you can get JDK1.3 ports from Blackdown, IBM, and Sun for the Intel x86 platform. Blackdown is still the only source for JDK ports for other Linux hardware platforms.
Blackdown also serves as a general information nexus for the Java/Linux community and the publication site for Linux JDK extensions. Blackdown also runs a lively mailing list that is an excellent source of expertise for your Linux-specific Java problems.