https://github.com/karunarathnad/immuto

Immuto - Java Records-first object mapper.An annotation processor generates type-safe mapper implementations at compile time; the generated code calls each target record's canonical constructor directly - zero runtime reflection, sealed class support, full Java 21+ idioms.

annotation-processor bean-mapper canonical-constructor code-generation dto-mapper immutable java java-records mapstruct-alternative modelmapper-alternative object-mapper open-source record-mapper sealed-classes type-safe zero-reflection

Last synced: 24 May 2026