OpenRewrite vs PolyglotPiranha

OpenRewrite

6.0 #9 in Code Refactoring Tools

About OpenRewrite

PolyglotPiranha

5.4 #44 in Container Registries

About PolyglotPiranha
OpenRewritePolyglotPiranha
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
Platformsself-hostediOS
Supported languagesJava, Kotlin, GroovyJava, Swift, Python, Kotlin, Go, TypeScript, TSX
Refactoring scoperepositoryproject
Batch refactoringYesYes
AST-based analysisYesYes
Free plan—Yes
AI assistance—No
Deployment—desktop

Both are listed in Best Code Refactoring Tools. On Everything Xiaomi, OpenRewrite scores higher on our published basis.