Olap Open Source Projects
Discover 2 open source Olap repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Olap projects here are most often combined with Analytics, Big Data and C++. Last updated February 17, 2026.
ClickHouse: Real-time Analytics Database Management System for Big Data
ClickHouse is an open-source, column-oriented database management system specifically engineered for generating analytical data reports in real-time. It is highly regarded for its exceptional performance in processing large volumes of data, making it a powerful solution for modern big data analytics. With over 45,000 stars on GitHub, it stands as a leading choice in the analytics database landscape.
StarRocks: The Fastest Open Query Engine for Data Lakehouse Analytics
StarRocks is an open-source, high-performance query engine optimized for sub-second analytics across data lakehouses. It delivers best-in-class performance for multi-dimensional, real-time, and ad-hoc queries, making it a versatile solution for complex data analysis. This Linux Foundation project is engineered to provide speed and flexibility for various analytical scenarios.