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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 2.5k 376

  2. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 290 89

  3. rewrite-testing-frameworks rewrite-testing-frameworks Public

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 83 82

  4. rewrite-maven-plugin rewrite-maven-plugin Public

    OpenRewrite's Maven plugin.

    Java 151 78

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

    OpenRewrite's Gradle plugin.

    Java 68 41

  6. rewrite-docs rewrite-docs Public

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

    TypeScript 41 64

Repositories

Showing 10 of 65 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite’s past year of commit activity
    Java 2,517 Apache-2.0 376 365 (3 issues need help) 47 Updated Mar 8, 2025
  • rewrite-rewrite Public

    OpenRewrite recipes for OpenRewrite Recipes.

    openrewrite/rewrite-rewrite’s past year of commit activity
    Java 0 0 1 0 Updated Mar 8, 2025
  • rewrite-build-gradle-plugin Public

    Common build logic for building OpenRewrite and recipe jars.

    openrewrite/rewrite-build-gradle-plugin’s past year of commit activity
    Java 4 Apache-2.0 5 1 0 Updated Mar 7, 2025
  • rewrite-gradle-plugin Public

    OpenRewrite's Gradle plugin.

    openrewrite/rewrite-gradle-plugin’s past year of commit activity
    Java 68 41 19 1 Updated Mar 7, 2025
  • rewrite-gradle-tooling-model Public

    A model for extracting semantic information out of Gradle build files necessary for refactoring them.

    openrewrite/rewrite-gradle-tooling-model’s past year of commit activity
    Java 3 Apache-2.0 5 0 0 Updated Mar 7, 2025
  • rewrite-javascript Public

    OpenRewrite recipes for JavaScript projects.

    openrewrite/rewrite-javascript’s past year of commit activity
    TypeScript 22 9 22 1 Updated Mar 7, 2025
  • rewrite-migrate-java Public

    OpenRewrite recipes for migrating to newer versions of Java.

    openrewrite/rewrite-migrate-java’s past year of commit activity
    Java 114 82 52 (9 issues need help) 11 Updated Mar 7, 2025
  • rewrite-docs Public

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

    openrewrite/rewrite-docs’s past year of commit activity
    TypeScript 41 Apache-2.0 64 9 (1 issue needs help) 0 Updated Mar 7, 2025
  • 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 4 Apache-2.0 9 6 0 Updated Mar 6, 2025
  • rewrite-python Public

    OpenRewrite recipes for Python.

    openrewrite/rewrite-python’s past year of commit activity
    Python 22 5 5 2 Updated Mar 6, 2025

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