Sun to Opensource Java and GPL it

This will be announced tomorrow morning. Simon Phipps, Sun’s Java guy, just IM’ed me the news.

SANTA CLARA, CALIF., — November 13, 2006 — Sun Microsystems, Inc. (NASDAQ: SUNW), the creator and leading advocate of Java(TM) technology, Monday will announce it is releasing its implementations of Java technology as free software under the GNU General Public License version two (GPLv2). Available today, are the first pieces of source code for Sun’s implementation of Java Platform Standard Edition (Java SE) and a buildable implementation of Java Platform Micro Edition (Java ME). Details are available at: at (on Monday morning). In addition, Sun is adding the GPLv2 license to Java Platform Enterprise Edition (Java EE), which has been available for over a year under the Common Development and Distribution License (CDDL) through Project GlassFish(TM) at

I wonder how Microsoft will respond.

UPDATE: Tim Bray has a lot more on this on his blog.