Top 23 Java annotation-processor Projects

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1. MapStruct

   1 31 7,661 8.5 Java

   An annotation processor for generating type-safe bean mappers

   

   Project mention: Are you really wasting your time in Java without these 10 libraries? | dev.to | 2025-11-20

   -- MapStruct

2. SaaSHub

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   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. Immutables

   2 7 3,561 9.1 Java

   Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

   

4. parceler

   3 0 3,536 0.0 Java

   :package: Android Parcelables made easy through code generation.

   

5. Shortbread

   4 0 1,761 0.0 Java

   Android library that creates app shortcuts from annotations

   

6. derive4j

   5 0 577 0.0 Java

   Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.

   

7. Doma 2

   6 0 501 9.4 Java

   DAO oriented database mapping framework for Java

   

8. pojobuilder

   7 0 335 5.1 Java

   A Java Code Generator for Pojo Builders

   

9. Moxy

   8 1 328 3.3 Java

   Moxy is MVP library for Android with incremental annotation processor and ktx features (by moxy-community)

   

10. jstachio

    9 28 325 7.0 Java

    Java type safe statically compiled mustache

    

11. transfuse

    10 0 223 0.0 Java

    :syringe: Transfuse - A Dependency Injection and Integration framework for Google Android

    

12. Kripton Persistence Library

    11 0 119 0.0 Java

    A Java/Kotlin library for Android platform, to manage bean's persistence in SQLite, SharedPreferences, JSON, XML, Properties, Yaml, CBOR.

    

13. magic-bean

    12 15 98 5.4 Java

    A very basic library which will generate getters and setters.

    

14. avaje-http

    13 5 95 9.1 Java

    Controller generation for Javalin, Jex, and Helidon SE

    

15. zerocell

    14 0 82 1.6 Java

    Simple, efficient Excel to POJO library for Java

    

16. elementary

    15 1 47 0.0 Java

    A suite of libraries that simplify creating and unit testing annotation processors. (by Pante)

    

17. avaje-prisms

    16 1 31 8.3 Java

    Upgraded fork of hickory (updated to Java 11 with module-info and new features)

    

18. 1. AutoProxy

    17 0 22 2.4 Java

    Annotation Processing Library. Generates proxy class on top of interface/abstract class, that allows to intercept calls. Also known as a design pattern: proxy, delegate, interceptor.

    

19. net.cactusthorn.config

    18 0 13 7.9 Java

    Configuration library based on annotation processing

    

20. spring-multi-data-source

    19 2 12 4.7 Java

    To mitigate Spring's limitations with multiple data sources in a single service, this library provides two custom Java annotations that automatically generate all the required bean definition configurations, and package-segregated repositories, for each data source.

    

21. auto-record

    20 0 7 7.5 Java

    Java record source generator

    

22. maven-properties-gen

    21 1 3 2.6 Java

    Maven Properties Generator for Java

    

23. simple-component

    22 3 3 6.3 Java

    Basic dependency injection tool

    

24. immuto

    23 1 1 - Java

    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.

    

    Project mention: Java Records Deserve a Mapper Built for Them | dev.to | 2026-05-23

    I built Immuto to fill that gap.

Java annotation-processor related posts

• MapStruct: Effcient, Elegant but not always simple

  1 project | dev.to | 22 Jun 2025

• What can happen if you skip the DTOs

  2 projects | dev.to | 29 Jul 2024

• Avaje HTTP 2.0 Released

  1 project | news.ycombinator.com | 27 Oct 2023

• Object mapping libraries

  1 project | /r/Python | 18 Sep 2023

• Feedback on a new annotation processor api

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• Mapping in Domain Driven Design sucks

  1 project | /r/javahelp | 6 Feb 2023

• RIFE2 web framework v1.0.0 released!

  4 projects | /r/java | 21 Jan 2023
• A note from our sponsor - SaaSHub
  www.saashub.com | 14 Jun 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

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