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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 4k 607

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

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 100 109

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

    OpenRewrite's Maven plugin.

    Java 191 92

  4. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 408 165

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

    OpenRewrite's Gradle plugin.

    Java 90 49

  6. rewrite-docs rewrite-docs Public

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

    TypeScript 54 79

Repositories

Showing 10 of 79 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite's past year of commit activity
    Java 3,987 Apache-2.0 607 218 103 Updated Nov 14, 2026
  • rewrite-docs Public

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

    openrewrite/rewrite-docs's past year of commit activity
    TypeScript 54 Apache-2.0 79 4 1 Updated Nov 14, 2026
  • rewrite-hibernate Public

    OpenRewrite recipes for Hibernate ORM.

    openrewrite/rewrite-hibernate's past year of commit activity
    Java 9 13 4 0 Updated Nov 13, 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 1 Updated Nov 13, 2026
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring's past year of commit activity
    Java 408 165 55 (1 issue needs help) 26 Updated Nov 13, 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 5 0 0 Updated Nov 13, 2026
  • rewrite-micronaut Public

    OpenRewrite recipes for Micronaut.

    openrewrite/rewrite-micronaut's past year of commit activity
    Java 14 Apache-2.0 7 7 0 Updated Nov 13, 2026
  • rewrite-migrate-gradle Public

    OpenRewrite recipes for identifying and fixing Gradle

    openrewrite/rewrite-migrate-gradle's past year of commit activity
    Java 1 0 0 0 Updated Nov 13, 2026
  • rewrite-micrometer Public

    OpenRewrite recipes for Micrometer.

    openrewrite/rewrite-micrometer's past year of commit activity
    Java 1 3 0 0 Updated Nov 13, 2026
  • rewrite-java-dependencies Public

    OpenRewrite recipes for managing Java dependencies.

    openrewrite/rewrite-java-dependencies's past year of commit activity
    Java 18 Apache-2.0 12 2 2 Updated Nov 13, 2026