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18 results for source starred repositories written in Java
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The official home of the Presto distributed SQL query engine for big data

Java 16,651 5,527 Updated Feb 7, 2026

The Metadata Platform for your Data and AI Stack

Java 11,547 3,362 Updated Feb 8, 2026

Apache Iceberg

Java 8,517 3,008 Updated Feb 8, 2026

Apache Pinot - A realtime distributed OLAP datastore

Java 6,023 1,448 Updated Feb 7, 2026

Distributed Big Data Orchestration Service

Java 1,762 372 Updated Jan 31, 2026

Fast scalable time series database

Java 1,751 343 Updated Jan 29, 2026

Stream Processing and Complex Event Processing Engine

Java 1,577 530 Updated Aug 8, 2025

Dremio - the missing link in modern data

Java 1,465 456 Updated Sep 26, 2025

Mondrian is an Online Analytical Processing (OLAP) server that enables business users to analyze large quantities of data in real-time.

Java 1,164 734 Updated Feb 8, 2026

Kylo is a data lake management software platform and framework for enabling scalable enterprise-class data lakes on big data technologies such as Teradata, Apache Spark and/or Hadoop. Kylo is licen…

Java 1,113 564 Updated Jan 12, 2023

An open source framework for building data analytic applications.

Java 784 348 Updated Feb 2, 2026

A graph-focused data visualisation and interactive analysis application.

Java 406 60 Updated Feb 5, 2026

Azure Event Hubs for Apache Kafka Ecosystems

Java 243 213 Updated Jul 8, 2024

Apache Flink example CEP program to monitor data center temperatures

Java 129 62 Updated Oct 28, 2018

Kafka sink for Kusto

Java 51 24 Updated Feb 3, 2026

Cloud-based SQL engine using SPARK where data is accessible as JDBC/ODBC data source via Spark ThriftServer.

Java 31 14 Updated Jul 12, 2017

Atoti AutoPivot automatically creates in-memory OLAP cubes from CSV files, that you can explore from Excel, Tableau or using the embedded Atoti UI web frontend

Java 31 9 Updated Nov 21, 2025

DEBS 2015 - Realtime Analytics Patterns with WSO2 CEP, Siddhi & Apache Storm

Java 16 13 Updated Nov 4, 2022