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

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

High Performance Inter-Thread Messaging Library

A high performance caching library for Java

Apache DolphinScheduler is the modern data orchestration platform. Agile to create high performance workflow with low-code

Apache Druid: a high performance real-time analytics database.

Feign makes writing java http clients easier

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

Java JsonPath implementation

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Enterprise job scheduling middleware with distributed computing ability.

Tiny, easily embeddable HTTP server in Java.

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

Micronaut Application Framework

Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps …

Native Operating System and Hardware Information

Azkaban workflow manager.

"Maven-node-grunt-gulp-npm-node-plugin to end all maven-node-grunt-gulp-npm-plugins." A Maven plugin that downloads/installs Node and NPM locally, runs NPM install, Grunt, Gulp and/or Karma.

Process Orchestration Framework

Jodd! Lightweight. Java. Zero dependencies. Use what you like.

Awaitility is a small Java DSL for synchronizing asynchronous operations

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

Ninja is a full stack web framework for Java. Rock solid, fast and super productive.

Ebean ORM

GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity.

Bootique is a minimally opinionated platform for modern runnable Java apps.

ZeroTurnaround ZIP Library

A pure-Java Markdown processor based on a parboiled PEG parser supporting a number of extensions

A Java MQTT Client