Editing Free Java implementations (section)

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'''Free Java implementations''' are [[software]] projects that implement Oracle's [[Java (software platform)|Java]] technologies and are distributed under [[free software licences]], making them [[free software]].  Sun released most of its Java source code as free software in May 2007, so it can now almost be considered a free Java implementation.<ref>{{Cite web|url=https://www.redhat.com/ko/blog/openjdk-and-the-icedtea-project|title=OpenJDK and the IcedTea Project|website=www.redhat.com|language=ko|access-date=2019-12-16}}</ref> Java implementations include compilers, runtimes, class libraries, etc. Advocates of free and open source software refer to free or open source [[Java virtual machine]] software as '''free runtimes''' or '''free Java runtimes'''.

Some advocates in this movement prefer not to use the term "Java" as it has [[trademark]] issues associated with it. Hence, even though it is a "free Java movement", the term "free Java runtimes" is avoided by them.