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56/**/</style></head><body><div id="main"><div><img class="openjdk-logo" width="300" height="82" src="images/openjdk2.svg" alt="OpenJDK logo" /></div><table class="main" summary="main"><tr><td><img src="images/duke-thinking.png" alt="Duke thinking" /></td><td><b>What is this?</b> The place to collaborate on an open-source
57implementation of the <a href="https://www.oracle.com/technetwork/java/javase/overview/index.html">Java Platform</a> and related projects.</td></tr><tr><td><img src="images/duke-plug.png" alt="Duke plugging" /></td><td><b>Download</b> and install the <a href="projects/jdk/27">latest open-source JDK</a>. Oracle&#8217;s free,
58GPL-licensed, production-ready OpenJDK JDK&#160;27 binaries for
59Linux, macOS, and Windows are available at <a href="https://jdk.java.net/27"><b>jdk.java.net/27</b></a>;
60Oracle&#8217;s commercially-licensed JDK&#160;27 binaries, based on
61the same code, are <a href="https://www.oracle.com/java/technologies/downloads/">here</a>.</td></tr><tr><td><img src="images/duke-chalkboard.png" alt="Duke chalkboard" /></td><td><p><b>Learn</b> about the key active Projects in the Community
62including <a href="projects/amber">Amber</a> (high-productivity
63language features), <a href="projects/babylon">Babylon</a> (foreign
64programming models), <a href="projects/leyden">Leyden</a> (better
65startup and warmup), <a href="https://wiki.openjdk.org/display/loom/Main">Loom</a> (lightweight
66concurrency), <a href="projects/panama">Panama</a> (foreign
67functions and foreign data), <a href="projects/valhalla">Valhalla</a> (primitive types and specialized
68generics), and, of course, <a href="projects/jdk/28">the next
69version of the Java Platform and the JDK</a>.</p><p>If you want to learn how to use Java features that are available
70today, head over to <a href="https://dev.java"><b>dev.java</b></a>.</p></td></tr><tr><td><img src="images/duke-pipes.png" alt="Duke hacking" /></td><td><b>Hack</b> on the JDK itself, right here in the OpenJDK
71Community: <a href="https://github.com/openjdk/jdk">Browse the
72code</a> on the web, <a href="/guide/#cloning-the-jdk">clone a
73repository</a> to make a local copy, and <a href="/contribute/">contribute a patch</a> to fix a bug, enhance an
74existing component, or define a new feature.</td></tr></table></div><div id="sidebar"><div id="openjdk-sidebar-logo"><a href="/"><img alt="OpenJDK logo" width="91" height="25" src="./images/openjdk2.svg" /></a></div><div class="links"><div class="link"><a href="/install/">Installing</a></div><div class="link"><a href="/guide/#contributing-to-an-openjdk-project">Contributing</a></div><div class="link"><a href="/guide/#reviewing-and-sponsoring-a-change">Sponsoring</a></div><div class="link"><a href="/guide/">Developers' Guide</a></div><div class="link"><a href="/groups/vulnerability/report">Vulnerabilities</a></div><div class="link"><a href="https://jdk.java.net">JDK GA/EA Builds</a></div></div><div class="links"><div class="links"><a href="https://mail.openjdk.org">Mailing lists</a></div><div class="link"><a href="https://wiki.openjdk.org">Wiki</a>
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81Nashorn</a></div><div class="link"><a href="/projects/nio">New I/O</a></div><div class="link"><a href="/projects/openjfx">OpenJFX</a></div><div class="link"><a href="/projects/panama">Panama</a></div><div class="link"><a href="/projects/aarch32-port">Port: AArch32</a></div><div class="link"><a href="/projects/aarch64-port">Port: AArch64</a></div><div class="link"><a href="/projects/bsd-port">Port: BSD</a></div><div class="link"><a href="/projects/haiku-port">Port: Haiku</a></div><div class="link"><a href="/projects/mips-port">Port: MIPS</a></div><div class="link"><a href="/projects/mobile">Port: Mobile</a></div><div class="link"><a href="/projects/ppc-aix-port">Port: PowerPC/AIX</a></div><div class="link"><a href="/projects/riscv-port">Port: RISC-V</a></div><div class="link"><a href="/projects/s390x-port">Port: s390x</a></div><div class="link"><a href="/projects/sctp">SCTP</a></div><div class="link"><a href="/projects/shenandoah">Shenandoah</a></div><div class="link"><a href="/projects/skara">Skara</a></div><div class="link"><a href="/projects/sumatra">Sumatra</a></div><div class="link"><a href="/projects/tsan">Tsan</a></div><div class="link"><a href="/projects/valhalla">Valhalla</a></div><div class="link"><a href="/projects/wakefield">Wakefield</a></div><div class="link"><a href="/projects/zero">Zero</a></div><div class="link"><a href="/projects/zgc">ZGC</a></div></div><div class="buttons"><a href="https://oracle.com"><img alt="Oracle logo" width="100" height="13" src="./images/oracle.svg" /></a></div></div><div id="footer">
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