Stars
Free and Open Source, Distributed, RESTful Search Engine
RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
Netty project - an event-driven asynchronous network application framework
Vert.x is a tool-kit for building reactive applications on the JVM
Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.
Apache TinkerPop - a graph computing framework
A Graph Traversal Language (no longer active - see Apache TinkerPop)
A Property Graph Model Interface (no longer active - see Apache TinkerPop)
An Object to Graph Framework (no longer active - see Apache TinkerPop)
Hebrew analyzer plugin for elasticsearch
A small, java based toolkit for signing digital content.