SaaSHub helps you find the best software and product alternatives Learn more →
Top 23 Java annotation-processor Projects
-
Project mention: Are you really wasting your time in Java without these 10 libraries? | dev.to | 2025-11-20
-- MapStruct
-
AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
-
Immutables
Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!
-
-
-
derive4j
Java 8 annotation processor and framework for deriving algebraic data types constructors, pattern-matching, folds, optics and typeclasses.
-
-
-
SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
-
-
Moxy
Moxy is MVP library for Android with incremental annotation processor and ktx features (by moxy-community)
-
-
Kripton Persistence Library
A Java/Kotlin library for Android platform, to manage bean's persistence in SQLite, SharedPreferences, JSON, XML, Properties, Yaml, CBOR.
-
-
-
-
elementary
A suite of libraries that simplify creating and unit testing annotation processors. (by Pante)
-
-
1. AutoProxy
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.
-
spring-multi-data-source
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.
-
-
-
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.
GitHub: Immuto
-
-
autores
Annotation driven Java™ open source library for automating embedded resource file handling - an alternative to getResourceAsStream.
-
SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Java annotation-processor discussion
Java annotation-processor related posts
-
MapStruct vs Immuto: Where the Records Gap Actually Is
-
MapStruct: Effcient, Elegant but not always simple
-
What can happen if you skip the DTOs
-
Avaje HTTP 2.0 Released
-
Object mapping libraries
-
Feedback on a new annotation processor api
-
Mapping in Domain Driven Design sucks
-
A note from our sponsor - SaaSHub
www.saashub.com | 6 Oct 2026
Index
What are some of the best open-source annotation-processor projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | MapStruct | 7,694 |
| 2 | Immutables | 3,576 |
| 3 | parceler | 3,528 |
| 4 | Shortbread | 1,758 |
| 5 | derive4j | 577 |
| 6 | Doma 2 | 509 |
| 7 | pojobuilder | 335 |
| 8 | jstachio | 334 |
| 9 | Moxy | 327 |
| 10 | transfuse | 220 |
| 11 | Kripton Persistence Library | 121 |
| 12 | magic-bean | 101 |
| 13 | avaje-http | 96 |
| 14 | zerocell | 83 |
| 15 | elementary | 47 |
| 16 | avaje-prisms | 32 |
| 17 | 1. AutoProxy | 22 |
| 18 | spring-multi-data-source | 16 |
| 19 | net.cactusthorn.config | 13 |
| 20 | auto-record | 7 |
| 21 | immuto | 6 |
| 22 | simple-component | 3 |
| 23 | autores | 3 |
Sponsored
Monitoring that respects your time & budget
APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
www.appsignal.com