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

The Java gRPC implementation. HTTP/2 based RPC

Apache Cassandra®

ZooKeeper client wrapper and rich ZooKeeper framework

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

Cassandra Java Client

Governator is a library of extensions and utilities that enhance Google Guice to provide: classpath scanning and automatic binding, lifecycle management, configuration to field mapping, field valid…

Java SAML toolkit

JMeter plugin to run cassandra tests.