Free and Open Source, Distributed, RESTful Search Engine

Google core libraries for Java

The java implementation of Apache Dubbo. An RPC and microservice framework.

Netty project - an event-driven asynchronous network application framework

Mirror of Apache Kafka

Telegram for Android source

a fast, scalable, multi-language and extensible build system

A Java serialization/deserialization library to convert Java Objects into JSON and back

JDK main-line development https://openjdk.org/projects/jdk

MyBatis SQL mapper framework for Java

The official home of the Presto distributed SQL query engine for big data

Apache Hadoop

QuestDB is a high performance, open-source, time-series database

Apache Pulsar - distributed pub-sub messaging system

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

Graphs for Everyone

🏗 Build container images for your Java applications.

Apache Druid: a high performance real-time analytics database.

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

AWS Service registry for resilient mid-tier load balancing and failover.

Apache ZooKeeper

Redis Java client

The Clojure programming language

Apache Cassandra®

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

A damn simple library for building production-ready RESTful web services.

A JavaScript checker and optimizer.

Apache Storm

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

Apache HBase