The following tables compare general and technical information for a number of online analytical processing (OLAP) servers. Please see the individual products articles for further information.

Awesome OLAP A curated list of awesome open-source Online Analytical Processing databases, frameworks, ressources, tools and other awesomeness, for data engineers.

Mar 5, 2025 · What is Apache Pinot? Originally developed at LinkedIn, Apache PinotTM is a real-time distributed OLAP datastore, purpose-built to provide ultra low-latency analytics at extremely high …

Feb 6, 2025 · Browse free open source OLAP software and projects below. Use the toggles on the left to filter open source OLAP software by OS, license, language, programming language, and project status.

Apr 1, 2025 · Pentaho is a powerful open source tool that provides key BI features like OLAP services, data integration, data mining, extraction-transfer-load (ETL), reporting and dashboard capabilities.

Oct 2, 2025 · Which are the best open-source Olap projects? This list will help you: ClickHouse, duckdb, questdb, doris, starrocks, oceanbase, and databend.

List of the top free OLAP Databases in 2025 including comparisons, user reviews, pricing, features, and more.

Apr 16, 2025 · In this guide, we’ll break down the top real-time OLAP databases in 2025 and highlight their differences in performance, scalability, and architecture.

Feb 15, 2025 · Apache Kylin is a distributed open-source online analytics processing (OLAP) engine for interactive analytics Big Data. Apache Kylin was originally developed by eBay in 2014 to address a …

Jan 26, 2025 · The following graph illustrates the development timeline of major open-source real-time OLAP engines, highlighting when each system was open-sourced and, where applicable, donated to …