📈 Capturing JVM- and application-level metrics. So you know what's going on.

Alluxio, data orchestration for analytics and machine learning in the cloud

Apache Storm

Digital logic design tool and simulator

Idiomatic persistence for Java and relational databases

configuration library for JVM languages using HOCON files

Apache Pinot - A realtime distributed OLAP datastore

Apache Hive

Simple OAuth library for Java

Apache HBase

Apache Groovy: A powerful multi-faceted programming language for the JVM platform

Cracking the Coding Interview, 5th Edition

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, R…

Apache Maven core

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

Step by step to build Android apps using Android Studio

Roadmap to becoming a Java developer in 2025

Project Malmo is a platform for Artificial Intelligence experimentation and research built on top of Minecraft. We aim to inspire a new generation of research into challenging new problems presente…

PDFsam, a desktop application to split, merge, mix, rotate PDF files and extract pages

Java libraries for writing microservices

Android BLE蓝牙通信库

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

Android related examples

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

LibRec: A Leading Java Library for Recommender Systems, see

Apache Lucene open-source search software

Apache Avro is a data serialization system.

Apache Curator

Apache Parquet Java

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