O grupo Apache liberou um release do Apache Harmony, para quem não conhece é uma implementação (compatível e independente) do Java SE 5 (JDK e runtime).
O texto no site diz:
First Milestone Available Now
Apache Harmony are pleased to announce the the first stable build “5.0 M1”. The code, which was previously made available as “snapshot r533500”, underwent additional testing after a period of stabalization in the ongoing development of a full release. Apache Harmony 5.0 M1 represents our best build so far, and we encourage users to download and try the runtime or development kit, and report their experiences to the Harmony mailing list. (2007-04-30)