I know of these: - Immutables - Autovalue - Mapstruct - Checker Framework There's quite a list here https://github.com/gunnarmorling/awesome-annotation-proces

I know of these: - Immutables - Autovalue - Mapstruct - Checker Framework There's quite a list here https://github.com/gunnarmorling/awesome-annotation-processing?tab=readme-ov-file#existing-annotation-processors https://github.com/gunnarmorling/awesome-annotation-processi... (Though I don't think Error Prone is actually an annotation processor, but rather a javac plugin.) There's some irony in that Immutables and Autovalue are often named as alternatives for people that dislike Lombok's implementation but do like (some of) Lombok's features.