en.wikipedia.org/wiki/Free_Java_implementations

Free Java implementations are software projects that implement Oracle's Java technologies and are distributed under free software licences, thus making them  ...

en.wikipedia.org/wiki/List_of_Java_virtual_machines

This article provides non-exhaustive lists of Java SE Java virtual machines (JVMs ). It does not ... The primary reference Java VM implementation is HotSpot, produced by Oracle ... SableVM — first free software JVM to support JVDMI and JDWP.

medium.com/@javachampions/java-is-still-free-c02aef8c9e04

Sep 17, 2018 ... https://medium.com/@javachampions/java-is-still-free-2-0-0- ... There are implementations of Java SE from various providers (such as Azul, ...

openjdk.java.net

What is this? The place to collaborate on an open-source implementation of the Java Platform, Standard Edition, and related projects. (Learn more.).

dwheeler.com/java-imp.html

Note: This is an obsolete, no-longer-maintained page. Sun Microsystems has now released their Java implementation as Free/Libre/open source software ...

www.javaadvent.com/2018/12/java-is-still-free.html

Dec 24, 2018 ... There are also plans around free updates, and (new and existing) ... There are implementations of Java SE from various providers (such as ...

www.gnu.org/philosophy/java-trap.en.html

Apr 12, 2004 ... Headnote. Since this article was first published, Sun (now part of Oracle) has relicensed most of its Java platform reference implementation ...

softwareengineering.stackexchange.com/questions/171129/is-java-free-open-source-or-not

The Java Development Kit (JDK) is free to download and use for ... terms of GPL but the current official implementation is owned by the Oracle.

www.eclipse.org/openj9

Want an OpenJDK™ build that contains an enterprise grade, open source, Java virtual machine? Grab a pre-built binary for Linux, Windows, or macOS and try it ...