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

Free and Open Source, Distributed, RESTful Search Engine

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

Redisson - Valkey and Redis Java client. Complete Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, L…

Most popular Mocking framework for unit tests written in Java

Microservice Architecture with Spring Boot, Spring Cloud and Docker

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Feign makes writing java http clients easier

Flyway by Redgate • Database Migrations Made Easy.

GoCD - Continuous Delivery server main repository

configuration library for JVM languages using HOCON files

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

The Enterprise-ready testing and specification framework.

Kafka GUI for Apache Kafka to manage topics, topics data, consumers group, schema registry, connect and more...

JavaMelody : monitoring of JavaEE applications

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Ot…

The official MongoDB drivers for Java, Kotlin, and Scala

Logback JSON encoder and appenders

jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functional…

fastutil extends the Java™ Collections Framework by providing type-specific maps, sets, lists and queues.

an open source solution to application performance monitoring for java server applications

MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver

Netflix Application Monitoring Library

sql2o is a small library, which makes it easy to convert the result of your sql-statements into objects. No resultset hacking required. Kind of like an orm, but without the sql-generation capabilit…

SSE Stream Aggregator

spring-cloud-netflix-example is an example for microservices system

JAX-RS & SpringMVC supported maven build plugin, helps you generate Swagger JSON and API document in build phase.

Jinja template engine for Java

Query in Java as in Mongo shell

Prometheus exporter plugin for Elasticsearch