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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 3.3k 499

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

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 90 100

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

    OpenRewrite's Maven plugin.

    Java 173 89

  4. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 366 127

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

    OpenRewrite's Gradle plugin.

    Java 79 47

  6. rewrite-docs rewrite-docs Public

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

    TypeScript 49 74

Repositories

Showing 10 of 73 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite’s past year of commit activity
    Java 3,254 Apache-2.0 499 318 (1 issue needs help) 57 Updated Jan 21, 2026
  • rewrite-docs Public

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

    openrewrite/rewrite-docs’s past year of commit activity
    TypeScript 49 Apache-2.0 74 5 (1 issue needs help) 0 Updated Jan 21, 2026
  • rewrite-csharp Public

    OpenRewrite CSharp runtime and LST models

    openrewrite/rewrite-csharp’s past year of commit activity
    C# 7 4 0 1 Updated Jan 21, 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 3 0 Updated Jan 21, 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 1 Updated Jan 21, 2026
  • rewrite-logging-frameworks Public

    OpenRewrite recipes for assisting with Java logging migration tasks.

    openrewrite/rewrite-logging-frameworks’s past year of commit activity
    Java 31 31 15 1 Updated Jan 21, 2026
  • rewrite-recipe-bom Public

    Align version numbers for all OpenRewrite maintained recipe modules

    openrewrite/rewrite-recipe-bom’s past year of commit activity
    15 Apache-2.0 8 1 0 Updated Jan 21, 2026
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring’s past year of commit activity
    Java 366 127 76 (6 issues need help) 2 Updated Jan 20, 2026
  • rewrite-spring-to-quarkus Public
    openrewrite/rewrite-spring-to-quarkus’s past year of commit activity
    Java 1 1 29 1 Updated Jan 20, 2026
  • rewrite-rewrite Public

    OpenRewrite recipes for OpenRewrite Recipes.

    openrewrite/rewrite-rewrite’s past year of commit activity
    Java 0 3 1 0 Updated Jan 20, 2026
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