Free and Open Source, Distributed, RESTful Search Engine

Netty project - an event-driven asynchronous network application framework

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Logstash - transport and process your logs, events, or other data

A programmer-oriented testing framework for Java.

Fork of tagtraum industries' GCViewer. Tagtraum stopped development in 2008, I aim to improve support for Sun's / Oracle's java 1.6+ garbage collector logs (including G1 collector)

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

Log analyser / visualiser for Java HotSpot JIT compiler. Inspect inlining decisions, hot methods, bytecode, and assembly. View results in the JavaFX user interface.

Thymeleaf is a modern server-side Java template engine for both web and standalone environments.

Apache Lucene open-source search software

Replicate your Key Value Store across your network, with consistency, persistance and performance.

AssertJ is a library providing easy to use rich typed assertions

Core part of Jackson that defines Streaming API as well as basic shared abstractions

🐘 Elasticsearch real-time search and analytics natively integrated with Hadoop

Java Collections till the last breadcrumb of memory and performance

Policeman's Forbidden API Checker

Randomized Testing (Core JUnit Runner, ANT, Maven)