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

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.

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

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

Compare and read user reviews of the best Free OLAP Databases currently available using the table below. This list is updated regularly. BigQuery is optimized for Online Analytical …

DuckDB is an in-process SQL OLAP database management system. Simple, feature-rich, fast & open source.

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.

ClickHouse is a fast open-source column-oriented database management system that allows generating analytical data reports in real-time using SQL queries

Feb 15, 2025 · ClickHouse, an open-source Online Analytical Processing (OLAP) database, stands out for its remarkable speed and exceptional performance in various warehousing and …

Welcome to the site of the eMondrian project. eMondrian is a free open-source OLAP server. It is based on the Mondrian project. OLAP server allows you to represent your database as a …