Compare software

Azul Zulu vs Eclipse Temurin: catalog facts
Azul Zulu	Eclipse Temurin
Best for: Developers who need a specific Java version installed on any desktop OS	Best for: Developers and servers that need a free, certified Java runtime
Free The Zulu builds of OpenJDK are free to download from Azul.	Free Free to download and use with no licensing fees.
Windows, macOS, Linux, Command line	Windows, macOS, Linux
Builds for every current long-term Java version, back to Java 8 Packages for Windows, macOS and Linux from one page All 3 strengths for Azul Zulu Builds for every current long-term Java version, back to Java 8 Packages for Windows, macOS and Linux from one page Based directly on OpenJDK	Java SE TCK certified OpenJDK builds Built from open-source scripts and infrastructure All 3 strengths for Eclipse Temurin Java SE TCK certified OpenJDK builds Built from open-source scripts and infrastructure No licensing fees for production use
A runtime and toolkit, with no graphical tools of its own Many vendors ship near-identical OpenJDK builds, so the choice is often about support	Provides the runtime and JDK only, not an IDE or build tools
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0 with Classpath Exception	License: GPL-2.0 WITH Classpath-exception-2.0
Not stated if an account is needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Azul Zulu azul.com/downloads Catalog checked October 2, 2026	Official website Full listing and sources Sources for Eclipse Temurin adoptium.net Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.