Design patterns implemented in Java

Free and Open Source, Distributed, RESTful Search Engine

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

OpenRefine is a free, open source power tool for working with messy data and improving it

Interview questions

Apache Beam is a unified programming model for Batch and Streaming data processing.

Statistical Machine Intelligence & Learning Engine

Serve, optimize and scale PyTorch models in production

Example code from Learning Spark book

Apache Parquet Java

A distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecycle management for both streaming and bat…

Latest generation of Audiveris OMR engine

Collect, aggregate, and visualize a data ecosystem's metadata

Apache Kafka, Apache Flink and Confluent Platform examples and demos

Java implementation of algorithms from Russell And Norvig's "Artificial Intelligence - A Modern Approach"

Dr. Elephant is a job and flow-level performance monitoring and tuning tool for Apache Hadoop and Apache Spark

An extensible distributed system for reliable nearline data streaming at scale

Method stubs and test cases for the problems from Elements of Programming Interviews

The Heroic Time Series Database

Osmosis is a command line Java application for processing OSM data.

Data Structures and Algorithms in Java (useful in interview process)

📚 Cracking the Coding Interview 6th edition problems

AWS libraries/modules for working with Kinesis aggregated record data

Simple JVM Profiler Using StatsD and Other Metrics Backends

Java client library for GeoServer

Supporting repository for the blog post at https://medium.com/@stephane.maarek/how-to-use-apache-kafka-to-transform-a-batch-pipeline-into-a-real-time-one-831b48a6ad85

SemanticVectors creates semantic WordSpace models from free natural language text.

MASON Multiagent Simulation Toolkit