Avro SerDe for Apache Spark structured APIs.

Apache Arrow is a cross-language development platform for in-memory data. It specifies a standardized language-independent columnar memory format for flat and hierarchical data, organized for effic…

Apache Arrow DataFusion and Ballista query engines

concurrent, cache-efficient, and Dockerfile-agnostic builder toolkit

Remote multi-server automation tool

HTML5 application architecture using Backbone.js

dbt macros to stage external sources

dbt-spark contains all of the code enabling dbt to work with Apache Spark and Databricks

Doorkeeper is an OAuth 2 provider for Rails (and Grape)

DuckDB is an in-process SQL OLAP Database Management System

Faster computations with Generative Expressions

Apache Hive

Java client for Kubernetes & OpenShift

Apache Parquet

A PSP emulator for Android, Windows, Mac, Linux and Blackberry 10, written in C++. Want to contribute? Join us in #ppsspp on EFnet (IRC) or just send pull requests / issues.

Ruby on Rails

Secor is a service implementing Kafka log persistence

Apache Spark