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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 3k 465

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

    OpenRewrite recipes that perform common Java testing migration tasks.

    Java 89 90

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

    OpenRewrite's Maven plugin.

    Java 165 86

  4. rewrite-spring rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    Java 331 106

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

    OpenRewrite's Gradle plugin.

    Java 75 45

  6. rewrite-docs rewrite-docs Public

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

    TypeScript 46 73

Repositories

Showing 10 of 72 repositories
  • rewrite Public

    Automated mass refactoring of source code.

    openrewrite/rewrite’s past year of commit activity
    Java 3,036 Apache-2.0 465 324 (5 issues need help) 53 Updated Oct 12, 2025
  • openrewrite/rewrite-spring-to-quarkus’s past year of commit activity
    Java 1 0 28 1 Updated Oct 11, 2025
  • rewrite-maven-plugin Public

    OpenRewrite's Maven plugin.

    openrewrite/rewrite-maven-plugin’s past year of commit activity
    Java 165 86 17 3 Updated Oct 11, 2025
  • 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 0 1 50 (9 issues need help) 0 Updated Oct 11, 2025
  • rewrite-docs Public

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

    openrewrite/rewrite-docs’s past year of commit activity
    TypeScript 46 Apache-2.0 73 8 (1 issue needs help) 0 Updated Oct 11, 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 8 Apache-2.0 12 3 0 Updated Oct 11, 2025
  • rewrite-third-party Public

    OpenRewrite recipes maintained by third parties.

    openrewrite/rewrite-third-party’s past year of commit activity
    Java 1 Apache-2.0 1 0 1 Updated Oct 10, 2025
  • 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 6 Apache-2.0 5 0 0 Updated Oct 10, 2025
  • rewrite-openapi Public

    OpenRewrite recipes for OpenAPI.

    openrewrite/rewrite-openapi’s past year of commit activity
    Java 5 Apache-2.0 13 1 0 Updated Oct 10, 2025
  • rewrite-spring Public

    OpenRewrite recipes for Spring projects.

    openrewrite/rewrite-spring’s past year of commit activity
    Java 331 106 74 (6 issues need help) 3 Updated Oct 10, 2025

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