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Amazon Corretto vs Microsoft Build of OpenJDK: catalog facts
Amazon Corretto	Microsoft Build of OpenJDK
Free Free, including long-term support.	Free Free of charge and open source.
Windows, macOS, Linux	Windows, macOS, Linux, Command line
Free long-term support from Amazon Certified Java SE compatible	Long-term supported releases at no cost Builds for macOS, Linux and Windows
A JDK only; IDEs and build tools are separate Direction is set by Amazon rather than a community foundation	One of many OpenJDK distributions with similar contents Support focus leans towards Microsoft's own ecosystem
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-with-classpath-exception	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.