| Original author(s) | IBM |
|---|---|
| Developer(s) | Eclipse Foundation |
| Stable release | 0.45.0[1] 
/ 21 May 2024 |
| Repository | |
| Written in | C, C++, Java, assembly |
| Operating system | Linux, AIX, Windows, macOS, z/OS, IBM i |
| Type | Java virtual machine |
| License | Apache License 2.0
GNU General Public License, version 2 with the GNU Classpath Exception GNU General Public License, version 2 with the OpenJDK Assembly Exception[2] |
| Website | www |
Eclipse OpenJ9 (previously known as IBM J9) is a high performance, scalable, Java virtual machine (JVM) implementation that is fully compliant with the Java Virtual Machine Specification.[3]
OpenJ9 can be built from source, or can be used with pre-built binaries available at the IBM Semeru Runtimes project for a number of platforms including Linux, Windows[4] and macOS. OpenJ9 is also a core component of the IBM developer kit, which is embedded in many IBM middleware products, including WebSphere Application Server and Websphere Liberty. OpenJ9 is also a component of Open Liberty.[5]
Extensive configuration options ensure that the JVM can be tuned to satisfy the requirements of a wide range of Java applications, from complex enterprise applications that run on mainframe hardware to short-lived applications that run on container-based cloud services.
- ^ "Eclipse OpenJ9 v0.45.0". 21 May 2024. Retrieved 22 May 2024.
- ^ "openj9/LICENSE at openj9-0.24.0 · eclipse/openj9". GitHub. Retrieved 6 March 2021.
- ^ Leonardo Zanivan (7 February 2018). "New Open Source JVM optimized for Cloud and Microservices". medium.
- ^ Holger Voormann (14 March 2018). "Hello OpenJ9 on Windows, I Didn't Expect You So Soon!". DZone.
- ^ David Rubinstein (20 September 2017). "IBM releases WebSphere Liberty code to open source". SD Times.
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