Zipkin is a distributed tracing system

Vert.x is a tool-kit for building reactive applications on the JVM

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

Native Operating System and Hardware Information

Small set of tools for JVM troublshooting, monitoring and profiling.

The official MongoDB drivers for Java, Kotlin, and Scala

Command line parsing framework for Java

JVector: the most advanced embedded vector search engine

jmxtrans

A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order

Jlama is a modern LLM inference engine for Java

Co-Process for backup/recovery, Token Management, and Centralized Configuration management for Cassandra.

A networking framework that evolves with your application

Learn to use Storm!

Solandra = Solr + Cassandra

a high level client for cassandra

A fork of Cliff Click's High Scale Library. Improved with bug fixes and a real build system.

Utility tool to load Data into Cassandra to help you writing good isolated JUnit Test into your application

NoSQL Unit is a JUnit extension that helps you write NoSQL unit tests.

[DEPRECATED] This project is deprecated. It will be archived on December 1, 2017.

Storm Cassandra Integration

A Mavenized fork of http://high-scale-lib.sourceforge.net/

Tools for parsing, creating and doing other fun stuff with sstables

Flow-based programming for the Vert.x application platform.

Run jersey in vert.x

Library for creating In-memory circular buffers that use direct ByteBuffers to minimize GC overhead

Basic tutorial for working with Apache Cassandra in Java via the Hector client

Speed4J is a simple performance analysis library for Java.

ElasticInbox - scalable, distributed email store