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Comparison

Foojay vs Adoptium

Foojay lands on Depends, and Adoptium lands on Worth it.

Foojay

foojay.io

Depends
Confidence: Medium

Use it if you're a Java developer who wants free JDK discovery, OpenJDK news, and CVE explainers . it's free and sponsor-funded.

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Adoptium

adoptium.net

Worth it
Confidence: Medium

Temurin is the de-facto free OpenJDK distribution, backed by Google, Red Hat, and IBM under the Eclipse Foundation.

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Foojay versus Adoptium
CompareFoojayAdoptium
VerdictDependsWorth it
Best forJava devs hunting JDK buildsJava/Kotlin backend teams
Who it's not forNon-Java stacks . strictly OpenJDK-focusedTeams needing vendor SLAs or named support contracts
PrivacyNo known public vulnerabilities found in the sources reviewed.⁹No known breaches; strong supply-chain program (SSDF, reproducible builds, external 2024 audit); upstream CVEs tracked publicly.14
Support qualityDisco API outages; community-only supportCommunity best-effort only, no SLA
Public sentimentDevelopers value the content and Gradle integration but report Disco API reliability problems.³Reddit users broadly treat Temurin as the default free OpenJDK replacement for Oracle, though formal reviews are scarce.
Biggest gotchaDisco API has had repeated outages; Gradle users recommend building fallbacks³Support is best-effort GitHub help; paid SLAs mean buying from third parties like Azul15

Pick Foojay when

  • Java devs hunting JDK builds
  • Gradle users resolving toolchains
  • Teams tracking OpenJDK and CVE news

When Foojay is not a fit

  • Non-Java stacks . strictly OpenJDK-focused
  • Anyone needing paid support or SLAs
  • Buyers shopping for software . nothing to purchase here
  • Mission-critical pipelines without API fallbacks

Pick Adoptium when

  • Java/Kotlin backend teams
  • CI/CD pipelines needing tested binaries
  • Enterprises dodging Oracle license fees
  • Containerized Java deployments

When Adoptium is not a fit

  • Teams needing vendor SLAs or named support contracts
  • Non-JVM projects . it is only a JDK
  • OpenJ9 users . you need IBM Semeru instead
  • Buyers expecting a helpdesk for $0 . none exists

Sources

  1. Foojay.io homepagefoojay.io
    official
  2. About Foojay . Who we arefoojay.io
    official
  3. foojay disco API is often down . GitHub issuegithub.com
    review
  4. Foojay advisory board: Azul, Datadog, JFrog, Payara, Snykfoojay.io
    news
  5. Migrating a 2,250-article Java community site to Hugoreddit.com
    review
  6. Crunchbase: Friends of OpenJDK (Foojay.io)crunchbase.com
    news
  7. foojay . a place for friends of OpenJDK (launch coverage)marxsoftware.blogspot.com
    news
  8. foojay-resolver used-by (Maven Central)mvnrepository.com
    review
  9. Foojay product security pagefoojay.io
    security
  10. Adoptium FAQadoptium.net
    official
  11. Download Temurin JDKadoptium.net
    official
  12. External audit of Temurin build and distribution processesadoptium.net
    security
  13. Adoptium Secure Software Development Practicesadoptium.net
    security
  14. CVE-2025-59375 in Temurin containergithub.com
    security
  15. Adoptium Support (GitHub)github.com
    official
  16. Red Hat joins the Eclipse Adoptium Working Groupredhat.com
    news