**PLEASE NOTE: 🚨**This is not an all-purpose hotline for deep learning, and we don't have the resources to support DL frameworks other than DL4J. So please focus questions on Deeplearning4j and ND4J. - Room Guidelines: https://github.com/deeplearning4j/deeplearning4j/blob/master/deeplearning4j/GITTER_GUIDELINES.md - Ask your question first instead of asking to ask or introducing yourself. - Please get started here: http://deeplearning4j.org/quickstart

Spring Boot

This channel is available for all Akka enthusiasts—newbies as well as gurus—for the exchange of knowledge and the coordination of efforts around Akka. For more info see: http://bit.ly/akka-gitter

Hipster stack for Java developers. Spring Boot + Angular in one handy generator.

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

Zipkin is a distributed tracing system

Java implementation of the Ethereum protocol

Now : Reactor Core 3.2.5.RELEASE - Reactor Netty 0.8.4.RELEASE - BOM : CALIFORNIUM-SR4

Reactive Microservices for the JVM

The Kotlin Programming Language

Design pattern samples implemented in Java

Apereo CAS - Single Sign On for All

Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.

Admin UI for administration of spring boot applications

https://github.com/fossasia/open-event-android

GoCD (https://gocd.org) - Chat room for Contributors. See http://bit.ly/1mAA3RV Q&As.

MockServer is a mock HTTP server that enables easy mocking of any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc) with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied traffic including encrypted SSL traffic and supports Port Forwarding, Web Proxying (i.e. HTTP proxy), HTTPS Tunneling Proxying (using HTTP CONNECT) and SOCKS Proxying (i.e. dynamic port forwarding).

A powerful Android chart view / graph view library, supporting line- bar- pie- radar- and candlestick charts as well as scaling, dragging and animations.

Fast Scalable Machine Learning API For Smarter Applications

This room is dedicated to discussions between Akka committers for coordinating the development process—for general questions and discussions around the usage of Akka please head over to akka/akka. For more info see: http://bit.ly/akka-gitter

Open Source In-Memory Data Grid

Hibernate's core Object/Relational Mapping functionality

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Apache Camel chat room - http://camel.apache.org/

Netty project - an event-driven asynchronous network application framework

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.

Java language binding for writing Appium Tests, conforms to Mobile JSON Wire Protocol

OrientDB document graph NoSQL dbms

Security concerns for distributed applications implemented in Spring

The community for ongoing Spotify Connect research and the librespot-org/librespot project.

The official AWS SDK for Java. https://aws.amazon.com/sdkforjava

Discuss Cucumber-JVM

GWT Open Source Project

[NOT ACTIVELY MAINTAINED, use https://www.jetbrains.com/go/ or https://plugins.jetbrains.com/plugin/9568-go] Google Go language plugin for the Intellij Platform

OOP insanity

Functional component library for Java 8+.

Cron utils for parsing, validations and human readable descriptions as well as date/time interoperability.

A simple take on creating an easy to use and fast material navigation drawer implementation

The World's Leading Graph Database

Feign makes writing java http clients easier

This plugin emulates Jenkins as a Gitlab CI Web Service

Welcome to the public discussion channel for the Ceylon programming language (https://ceylon-lang.org)

A secure text messaging application for Android.

Configuration library for JVM languages

Open source scientific multidimensional image processing

A Java 7 implementation of TeamSpeak's 3 server query API.

Redisson - distributed and scalable Java data structures (Set, ScoredSortedSet, SortedSet, Map, ConcurrentMap, List, Queue, BlockingQueue, Deque, Lock, AtomicLong, CountDownLatch, Publish / Subscribe, HyperLogLog, Redis pipelining) on top of Redis server. Based on own high-performance async and lock-free Java Redis client

Alibaba's MQ, also aliyun ONS.