Java Extensions

Open-source Java projects categorized as Extensions

Top 3 Java Extension Projects

  1. keycloak-extensions-demo

    Demos, examples and playground for Keycloak extensions, providers, SPI implementations, etc.

  2. SaaSHub

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    SaaSHub logo
  3. Android Maps Extensions

    Android Maps Extensions is a library extending capabilities of Google Maps Android API v2.

  4. jexten

    Basic architecture for Java extensions

    Project mention: JExten: Building a Robust Plugin Architecture with Java Modules (JPMS) | dev.to | 2026-01-15

    Finally, keep in mind that JExten is still in its early stages, and there is much room for improvement. Feel free to contribute to the project on GitHub and/or engage in a discussion in the issues section. Link to the repository is here .

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Extension projects in Java? This list will help you:

# Project Stars
1 keycloak-extensions-demo 417
2 Android Maps Extensions 412
3 jexten 4

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