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 …

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, …

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 …

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 …

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, …