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JSON-io

Convert Java to JSON/TOON and back. Supports complex object graphs, cyclic references, and TOON format for 40-50% LLM token savings. JDK 8+
Featured Library // Category JSON

Building Java ME Apps with Modern Tooling

Article Popular Story // voxelmanip.se

Allocating Off-Heap Memory: Typically 6-18x Faster in JDK 28

Article Popular Story // inside.java

Yesterday

Micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
Featured Library // Category Monitoring

Spring Data-Style Repositories Compiled to Native Code

Article Popular Story // dev.to

Big Runtimes Make Efficient Programs

Article Popular Story // www.youtube.com

Last 7 Days

Bouncy Castle

Bouncy Castle Java Distribution (Mirror)
Featured Library // Category Security

One Load per Key: Collapsing Duplicate Lookups with Spring Boot's Cache and Caffeine

Article Popular Story // dev.to

TornadoVM 7 Enables GPU-Native Workloads from Java Applications

Article Popular Story // www.infoq.com

The Hibernate Origin Story (Outsider Edition)

Article Popular Story // fishbowl.pastiche.org

Fury

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
Featured Library // Category Serialization

Smaller Simpler Maven Projects

Article Popular Story // dev.to

Awesome Java Weekly » 544

Top Stories
  • JAXA is about to perform a Phobos sample return mission
  • Lombok Is Still Relevant in the Age of Java Records
  • Running Claude Code with Ollama and Local Models

Spotbugs

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.
Featured Library // Category Code Analysis

PGO for Faster Apps and Generational/Adaptive GC

Article Popular Story // dev.to

Try Real Java in Your Browser, Compiler Errors Included

Article Popular Story // dev.to

Running Claude Code with Ollama and Local Models

Article Popular Story // dev.to

OpenXava

Automatic frontend engine for Java
Featured Library // Category Web Frameworks

Getting Banned from r/java

Article Popular Story // sjhannah.com

How Do You Test Spring Compatibility?

Article Popular Story // dev.to

Apache OpenNLP

Apache OpenNLP
Featured Library // Category Natural Language Processing

Uma feature, quatro microsserviços: o que um bug com Mono.zip() me ensinou sobre autonomia e engenharia de software

Article Popular Story // dev.to

Last 30 Days

Grails

Grails - the Web Application Framework
Featured Library // Category Web Frameworks

Update DB Schema in Production with Flyway like Syntax

Article Popular Story // dev.to

docx4j

JAXB-based Java library for Word docx, Powerpoint pptx, and Excel xlsx files
Featured Library // Category Document Processing

Easy Full Stack Authentication and Login in the Style of Spring

Article Popular Story // dev.to

Jenkins

A static site for the Jenkins automation server
Featured Library // Category Continuous Integration

Android on iOS, Web & Desktop Efficiently and for Free

Article Popular Story // dev.to

SonarJava

:coffee: SonarSource Static Analyzer for Java Code Quality and Security
Featured Library // Category Code Analysis

Lombok Is Still Relevant in the Age of Java Records

Article Popular Story // swaranga.dev