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Get fast, repeatable source code refactoring

OpenRewrite (founded and managed by Moderne) is an automated refactoring ecosystem that enables developers to effectively eliminate technical debt within their repositories. It consists of an auto-refactoring engine that runs prepackaged refactoring recipes for common framework migrations, security fixes, and stylistic consistency tasks.

OpenRewrite is offered under a tiered licensing model. See Licensing for how the framework, parsers, and recipes are licensed.

Start with the quickstart guide and let OpenRewrite handle the boring parts of software development for you. We also welcome you to join our community Slack.

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  1. rewrite rewrite Public

    Automated mass refactoring of source code.

    Java 3.7k 568

  2. rewrite-testing-frameworks rewrite-testing-frameworks Public

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 100 104

  3. rewrite-maven-plugin rewrite-maven-plugin Public

    OpenRewrite's Maven plugin.

    Java 189 92

  4. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 403 149

  5. rewrite-gradle-plugin rewrite-gradle-plugin Public

    OpenRewrite's Gradle plugin.

    Java 88 48

  6. rewrite-docs rewrite-docs Public

    Stores the markdown documents used to generate docs.openrewrite.org

    HTML 55 78

Repositories

Showing 10 of 77 repositories
  • rewrite-recipe-bom Public

    Align version numbers for all OpenRewrite maintained recipe modules

    openrewrite/rewrite-recipe-bom's past year of commit activity
    18 Apache-2.0 7 1 0 Updated Sep 9, 2026
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite's past year of commit activity
    Java 3,705 Apache-2.0 568 215 86 Updated Sep 9, 2026
  • rewrite-all Public

    Gathers recipes which depend on recipes from many other OpenRewrite-maintained recipe modules

    openrewrite/rewrite-all's past year of commit activity
    Java 7 Apache-2.0 6 0 0 Updated Sep 9, 2026
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring's past year of commit activity
    Java 403 149 51 10 Updated Sep 9, 2026
  • rewrite-third-party Public

    OpenRewrite recipes maintained by third parties.

    openrewrite/rewrite-third-party's past year of commit activity
    Java 2 Apache-2.0 2 0 0 Updated Sep 9, 2026
  • openrewrite/rewrite-spring-to-quarkus's past year of commit activity
    Java 1 1 14 0 Updated Sep 9, 2026
  • rewrite-rewrite Public

    OpenRewrite recipes for OpenRewrite Recipes.

    openrewrite/rewrite-rewrite's past year of commit activity
    Java 0 3 0 0 Updated Sep 9, 2026
  • rewrite-micronaut Public

    OpenRewrite recipes for Micronaut.

    openrewrite/rewrite-micronaut's past year of commit activity
    Java 14 Apache-2.0 8 7 0 Updated Sep 9, 2026
  • rewrite-liberty Public

    OpenRewrite recipes to migrate to the IBM WebSphere Liberty.

    openrewrite/rewrite-liberty's past year of commit activity
    Java 0 Apache-2.0 7 0 0 Updated Sep 9, 2026
  • rewrite-hibernate Public

    OpenRewrite recipes for Hibernate ORM.

    openrewrite/rewrite-hibernate's past year of commit activity
    Java 8 14 6 0 Updated Sep 9, 2026