The Capsule Hash Trie Collections Library

The Ceylon compiler, language module, and command line tools

RxJava2 integration with JDBC including Non-blocking Connection Pools

A jOOQ-CodeGenerator to create vertx-ified DAOs and POJOs.

Are We Fast Yet? Comparing Language Implementations with Objects, Closures, and Arrays

Virtual-thread based safe concurrency & streaming

JSR 354 - Money and Currency API

JSR 354 - Moneta: Reference Implementation

A joint research effort for building highly optimized Reactive-Streams compliant operators.

Java toolkit that allows you to write coroutines.

Build parsers in Java

Reactive Relational Database Connectivity

Collection of lombok extensions

A Doclet that allows the use of Markdown in JavaDoc comments.

Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM

Another functional library for Java

A pure Java implementation of cooperative concurrency, aka coroutines

Maven plugin for submitting Java code coverage reports to Coveralls web service.

Asynchronous PostgreSQL Java driver

Guava's spikier (unofficial) cousin

Tiny REST client for Java and JSON.

JVM support for Apollo Federation

🎼 Bach Builds (on(ly)) Modules

Adapter between RxJava and ReactiveStreams

The first Java Actor System supporting fibers from Project Loom

Persistent Collections for Java

Persistent (immutable) collections for Java and Kotlin

HTTP library to make it easy to deal with raw HTTP.

Fjord, F# programming language for the JVM.

Java and Android channel client for the Phoenix Framework