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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 97 103

  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 379 137

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

    OpenRewrite's Gradle plugin.

    Java 82 48

  6. rewrite-docs rewrite-docs Public

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

    HTML 51 78

Repositories

Showing 10 of 75 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite’s past year of commit activity
    Java 3,366 Apache-2.0 517 242 69 Updated Mar 29, 2026
  • rewrite-github-actions Public

    OpenRewrite recipes for performing GitHub action hygiene and migration tasks.

    openrewrite/rewrite-github-actions’s past year of commit activity
    Java 1 4 50 (9 issues need help) 1 Updated Mar 28, 2026
  • rewrite-docs Public

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

    openrewrite/rewrite-docs’s past year of commit activity
    HTML 51 Apache-2.0 78 5 (1 issue needs help) 0 Updated Mar 28, 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 148 115 40 (3 issues need help) 0 Updated Mar 27, 2026
  • rewrite-jackson Public

    OpenRewrite recipes for modernizing, upgrading, applying best practices for the fasterxml Jackson serialization/deserialization libraries

    openrewrite/rewrite-jackson’s past year of commit activity
    Java 5 Apache-2.0 11 0 0 Updated Mar 27, 2026
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring’s past year of commit activity
    Java 379 137 67 (1 issue needs help) 0 Updated Mar 27, 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 13 1 0 Updated Mar 27, 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 2 Updated Mar 27, 2026
  • rewrite-testing-frameworks Public

    OpenRewrite recipes that perform common Java testing migration tasks.

    openrewrite/rewrite-testing-frameworks’s past year of commit activity
    Java 97 103 54 (5 issues need help) 2 Updated Mar 27, 2026
  • rewrite-rewrite Public

    OpenRewrite recipes for OpenRewrite Recipes.

    openrewrite/rewrite-rewrite’s past year of commit activity
    Java 0 3 0 1 Updated Mar 27, 2026
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