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

Graphs for Everyone

LangChain4j is an open-source Java library that simplifies the integration of LLMs into Java applications through a unified API, providing access to popular LLMs and vector databases. It makes impl…

Apache Cassandra®

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 …

Integration with Netflix OSS components

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

Feature Flags for Java made easy

An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

The JGroups project

An open source data gateway

REST web service for the true real-time scoring (<1 ms) of Scikit-Learn, R and Apache Spark models

Java version of LangChain, while empowering LLM for Big Data.

Cognitive Image Analysis for Java

LangStream. Event-Driven Developer Platform for Building and Running LLM AI Apps. Powered by Kubernetes and Kafka.

Google Gen AI Java SDK provides an interface for developers to integrate Google's generative models into their Java applications.

Java 8 Lambdas Hands-on Lab Materials

Accompanying application to a series of post on building CQRS based application with the AxonFramework

A JDBC wrapper of Java Driver for Apache Cassandra®, which offers a simple JDBC compliant API to work with CQL3.

Command Line Interface for DataStax Astra

The RAG Genie, an LLM RAG prototype to test and evaluate your embeddings, chunk splitting strategies using Q&A and evaluations.

Reactive version of Spring PetClinic sample application based on Spring Webflux and Cassandra

Better / faster proxy generator than java.lang.reflect.Proxy for Java (require 1.7)

Java implementation for KillrVideo project

Demo code from

Example microservices with Spring, Kubernetes, and Cassandra

A Java library to allow for the creation of configurable retrying strategies for an arbitrary function call, such as something that communicates with a remote service with flaky uptime.

Convenient extension to the Java 8 Stream API that let you stream over Key-Value pairs

StandAlone classes illustrating portion of DataStax Java Driver in version 3.x then 4.x

Rest API for Todobackend on top of Cassandra