Scala

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

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

Scala 2 compiler and standard library. For bugs, see scala/bug

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

Play Framework

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

CMAK is a tool for managing Apache Kafka clusters

A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility

A fault tolerant, protocol-agnostic RPC system

♞ lichess.org: the forever free, adless and open source chess server ♞

Game enveriment.

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

Spark RAPIDS plugin - accelerate Apache Spark with GPUs

CMAK is a tool for managing Apache Kafka clusters

a simple DSL for json serialization

♞ lichess.org: the forever free, adless and open source chess server ♞

Linkis helps easily connect to various back-end computation/storage engines(Spark, Python, TiDB...), exposes various interfaces(REST, JDBC, Java ...), with multi-tenancy, high performance, and resource control.

Finding trends in news article with Spark (MLLIB, LDA), Spark-Solr, Solr

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Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala

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Prometheus instrumentation library for Scala applications

A port of apidocjs https://apidocjs.com to sbt, to document REST Api

Chi Huynh and Jacob Henson - Lettuce Debugger for the final project for PPL - Principles of Programming Languages

Repository with sample code to build Kafka Streaming Application in Scala.

Simulation and testnet client of Ouroboros consensus protocol incoporating key components of Bifrost codebase for rapid testing

♞ lichess.org: the forever free, adless and open source chess server ♞

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Test Code for Running Scala in a Spring RESTful Framework

Apache OpenWhisk Runtime PHP supports Apache OpenWhisk functions written in PHP

Streaming reference architecture for ETL with Kafka and Kafka-Connect. You can find more on http://lenses.io on how we provide a unified solution to manage your connectors, most advanced SQL engine for Kafka and Kafka Streams, cluster monitoring and alerting, and more.

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Bitcoin Implementation in Scala

Apache OpenWhisk is an open source serverless cloud platform

Docker containers for testing in scala

Codacy Tool for Checkstyle

Bandit Python Tool for Codacy

Codacy tool for PHP Codesniffer

A scala implementation of the Lightning Network.

Streaming reference architecture for ETL with Kafka and Kafka-Connect. You can find more on http://lenses.io on how we provide a unified solution to manage your connectors, most advanced SQL engine for Kafka and Kafka Streams, cluster monitoring and alerting, and more.

Sbt plugin to help deploy Scala applications to Kubernetes

Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments

Open-source code analysis platform for C/C++ based on code property graphs

Create Docker images directly from sbt

Manage your Kafka ACL at scale

sbt Native Packager

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A scala extension for Project Reactor's Flux and Mono

A scala implementation of the Lightning Network.