No. 13 of 22 ·Code Refactoring Tools

OpenRewrite

Linux · Self-hosted

Freedom report

Two barsScore 5.3

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

OpenRewrite is ranked #13 of 22 in code refactoring tools on Freedom251. It runs on Linux, Self-hosted. There is a free plan.

OpenRewrite plans and pricing

All plans

OpenRewrite core Free Core framework and Apache-licensed recipes; runs one repository at a time docs.openrewrite.org · 5 Oct 2026

Compared on code refactoring tools

Supported languages: Java, Kotlin, Groovy
Refactoring scope: repository
Batch refactoring: Yes
AST-based analysis: Yes

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The record

Purpose: OpenRewrite is an open-source automated refactoring ecosystem for updating code and reducing technical debt.
How it works: It transforms Lossless Semantic Trees and prints the modified trees back into source code for review.
Recipe uses: Recipes support framework migrations, security fixes, and stylistic consistency tasks.
Local execution: The Maven and Gradle plugins run locally without connecting to Moderne or OpenRewrite, aside from accessing configured artifact repositories.
Build tools: OpenRewrite provides Maven and Gradle plugins for running recipes as part of a build.
Supported code and formats: The documentation lists Java, Kotlin, and Groovy programming languages, plus HCL, JSON, Properties, Protobuf, TOML, XML, and YAML data formats.
Framework coverage: The documentation names Spring, Quarkus, and Micronaut among supported frameworks.
Recipe catalog: The recipe index lists 4,183 recipes across modules.
Review before applying: The Maven plugin offers a dry-run goal that reports recipes that would make changes and writes diff files in module target folders.
Recipe activation: The Maven plugin runs no recipe unless it is explicitly activated by name.
Licensing: The core framework and language libraries are Apache License 2.0, while some recipes use source-available or proprietary licenses.
Access limitation: OpenRewrite artifacts are distributed through the Code Genome Project repository, which requires authentication; some source-available and proprietary recipes require a Moderne subscription.
Integration: The recipe development guide says IntelliJ IDEA 2024.1 or later has built-in OpenRewrite support and recommends enabling the OpenRewrite IntelliJ plugin.
Learning and support: The documentation points users to a free self-paced introductory course and offers community help through Slack or Discord.
Price from: Free

Where it ranks on Freedom251

Best Code Refactoring Tools in 2026#13 of 22

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Sources

docs.openrewrite.org· checked 4 Oct 2026
docs.openrewrite.org/reference/faq· checked 4 Oct 2026
docs.openrewrite.org/reference/rewrite-maven-plugin· checked 4 Oct 2026
docs.openrewrite.org/reference/supported-languages· checked 4 Oct 2026
docs.openrewrite.org/reference/all-recipes· checked 4 Oct 2026
docs.openrewrite.org/licensing/openrewrite-licensing· checked 4 Oct 2026
docs.openrewrite.org/running-recipes/getting-started· checked 4 Oct 2026
docs.openrewrite.org/authoring-recipes/recipe-development-en· checked 4 Oct 2026
moderne.ai/openrewrite· checked 5 Oct 2026
moderne.ai/press-kit· checked 5 Oct 2026