ClickHouse
ClickHouse provides an open-source database system for real-time analytical reporting.
ClickHouse is an open-source column-oriented database management system that focuses on real-time analytical reporting. It enables users to execute complex SQL queries efficiently, making it suitable for applications that require fast data processing and analysis. The system is particularly effective for big data environments, allowing organizations to manage and analyze large volumes of information seamlessly. ClickHouse supports various data ingestion methods and offers features that facilitate data warehousing and observability. Its architecture is designed to optimize performance and scalability, catering to the needs of sales teams and data analysts seeking actionable insights from their data.
Real-time analytics database for AI and observability workloads. $250M ARR, 4,000 customers (May 2026); $400M Series D at $15B (Jan 2026).
