http://www.gnu.org.
http://www.gnu.org/philosophy.
"Why `Free Software' is better than `Open Source'"; http://www.gnu.org/philosophy/free-software-for-freedom.html.
http://www.osi.org.
http://www.jcp.org.
Richard Stallman, "Free But ShackledThe Java Trap"; http://www.gnu.org/philosophy/java-trap.html.