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

SeaTunnel is a next-generation super high-performance, distributed, massive data integration tool.

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

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

Infinitely scalable, event-driven, language-agnostic orchestration and scheduling platform to manage millions of workflows declaratively in code.

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

A Flexible and Powerful Parameter Server for large-scale machine learning

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

Asynchronous Http and WebSocket Client library for Java

A tool for mocking HTTP services

Generate Java types from JSON or JSON Schema and annotate those types for data-binding with Jackson, Gson, etc

Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.

Flink CDC is a streaming data integration tool

AI + Data, online. https://vespa.ai

Apache Pinot - A realtime distributed OLAP datastore

Distributed Graph Database

JanusGraph: an open-source, distributed graph database

Lightweight Java and Android library for integration with Ethereum clients

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Speech and Vision Based Intelligent Personal Assistant

Apache Ignite

OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…

Apache NiFi

Fibers, Channels and Actors for the JVM

Main Liquibase Source

MockServer enables easy mocking of any system you integrate with via HTTP or HTTPS with clients written in Java, JavaScript and Ruby. MockServer also includes a proxy that introspects all proxied t…

Open-Source Subscription Billing & Payments Platform

Easy Setup Stub Server

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…