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OpenRewrite

Semantic code search and transformation
README.md

Get fast, repeatable source code refactoring

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

OpenRewrite is Apache2 licensed and maintained by Moderne, the company that scales the use of OpenRewrite recipes across large codebases and multiple repositories.

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 3.4k 517

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

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 96 102

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

    OpenRewrite's Maven plugin.

    Java 180 92

  4. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 379 135

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

    OpenRewrite's Gradle plugin.

    Java 81 48

  6. rewrite-docs rewrite-docs Public

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

    HTML 50 77

Repositories

Showing 10 of 75 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite’s past year of commit activity
    Java 3,396 Apache-2.0 517 192 54 Updated Apr 14, 2026
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring’s past year of commit activity
    Java 379 135 47 1 Updated Apr 14, 2026
  • rewrite-migrate-java Public

    OpenRewrite recipes for migrating to newer versions of Java.

    openrewrite/rewrite-migrate-java’s past year of commit activity
    Java 149 117 35 (1 issue needs help) 0 Updated Apr 14, 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 Apr 14, 2026
  • rewrite-docs Public

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

    openrewrite/rewrite-docs’s past year of commit activity
    HTML 50 Apache-2.0 77 2 0 Updated Apr 14, 2026
  • rewrite-static-analysis Public

    OpenRewrite recipes for identifying and fixing static analysis issues.

    openrewrite/rewrite-static-analysis’s past year of commit activity
    Java 56 94 120 (4 issues need help) 5 Updated Apr 13, 2026
  • break-your-testing-habits Public
    openrewrite/break-your-testing-habits’s past year of commit activity
    Java 6 4 0 1 Updated Apr 13, 2026
  • rewrite-quarkus Public

    OpenRewrite recipes for Quarkus.

    openrewrite/rewrite-quarkus’s past year of commit activity
    Java 10 Apache-2.0 11 5 0 Updated Apr 13, 2026
  • rewrite-recipe-markdown-generator Public

    Utility that generates OpenRewrite recipe documentation in markdown format for all recipes on the classpath.

    openrewrite/rewrite-recipe-markdown-generator’s past year of commit activity
    Kotlin 8 Apache-2.0 13 2 1 Updated Apr 13, 2026
  • rewrite-gradle-plugin Public

    OpenRewrite's Gradle plugin.

    openrewrite/rewrite-gradle-plugin’s past year of commit activity
    Java 81 48 18 1 Updated Apr 13, 2026
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