Design patterns implemented in Java

Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Spring Framework

Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Open Source Identity and Access Management For Modern Applications and Services

High Performance Inter-Thread Messaging Library

A high performance caching library for Java

Most popular Mocking framework for unit tests written in Java

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Redis Java client

Generate diagrams from textual description

Flyway by Redgate • Database Migrations Made Easy.

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

✅ The 5th major version of the programmer-friendly testing framework for Java and the JVM

jOOQ is the best way to write SQL in Java

Advanced Java Redis client for thread-safe sync, async, and reactive usage. Supports Cluster, Sentinel, Pipelining, and codecs.

An extensible multilanguage static code analyzer.

Keep your code spotless

🔬 Java Code Coverage Library

AutoMQ is a cloud-first alternative to Kafka by decoupling durability to S3 and EBS. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency.

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

Annotation processor to create immutable objects and builders. Feels like Guava's immutable collections but for regular value objects. JSON, Jackson, Gson, JAX-RS integrations included

A Java architecture test library, to specify and assert architecture rules in plain Java

Spring Batch is a framework for writing batch applications using Java and Spring

Apache Parquet Java

AssertJ is a library providing easy to use rich typed assertions

Simple Logging Facade for Java

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.