A utility that merges multiple OpenAPI specification files into a single file with all external references resolved to local reference.

An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

Implementation of a Java server and client using JSSE SSLEngine.

Implementation of the RAFT consensus protocol in JGroups

Awaitility is a small Java DSL for synchronizing asynchronous operations

Proxy administrative backend services in a secure manner, optionally using OAuth2

Non-Blocking Reactive Foundation for the JVM

Reactive Kafka Driver with Reactor

Reactive Streams Specification for the JVM

Very spicy additions to the Java programming language.

The Go programming language

The Kotlin Programming Language.

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.

Apache Camel is an open source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.

Java Driver for Apache Cassandra®

Spring Data Relational. Home of Spring Data JDBC and Spring Data R2DBC.

Provide support to increase developer productivity in Java when using Neo4j. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

Provides support to increase developer productivity in Java when using Apache Cassandra. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style…

Provides support to increase developer productivity in Java when using MongoDB. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data acc…

Simplifies the development of creating a JPA-based data access layer.

Envers extension of the Spring Data JPA module

Test-driven documentation for RESTful services

Spring Boot

A Java library for technical analysis.

The official MongoDB drivers for Java, Kotlin, and Scala