Apache Spark - A unified analytics engine for large-scale data processing

💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

PredictionIO, a machine learning server for developers and ML engineers.

CMAK is a tool for managing Apache Kafka clusters

The leader in Next-Generation Customer Data Infrastructure

Apache OpenWhisk is an open source serverless cloud platform

Modern Load Testing as Code

The Guardian DotCom.

sbt, the interactive build tool

In-memory dimensional time series database.

A distributed, fault-tolerant graph database

Reactive Microservices for the JVM

[Archived] A flexible sharding framework for creating eventually-consistent distributed datastores

A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine

Scala GraphQL implementation

DataStax Connector for Apache Spark to Apache Cassandra

A cluster computing framework for processing large-scale geospatial data

GeoMesa is a suite of tools for working with big geo-spatial data in a distributed fashion.

Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

Livy is an open source REST interface for interacting with Apache Spark from anywhere

TiSpark is built for running Apache Spark on top of TiDB/TiKV

Your daily code review tool

Orbeon Forms is an open source web forms solution. It includes an XForms engine, the Form Builder web-based form editor, and the Form Runner runtime.

Akka, for Scala.js