ClickHouse is described as 'open source column-oriented database management system capable of real time generation of analytical data reports using SQL queries'. There are four alternatives to ClickHouse for Linux, Mac, Self-Hosted solutions and Windows. The best alternative is DuckDB, which is both free and Open Source. Other great apps like ClickHouse are Druid (Free, Open Source), MatrixOne (Free, Open Source) and Sybase IQ (Paid).
There are many database management systems (DBMS) out there. But there is no one-size-fits all database system. All take different trade-offs to better adjust to specific use cases. DuckDB is no different.
Druid is an open-source analytics data store designed for business intelligence (OLAP) queries on event data. Druid provides low latency (real-time) data ingestion, flexible data exploration, and fast data aggregation.
MatrixOne is a hyper-converged cloud and edge native DBMS that supports transactional, analytical, and streaming workloads with a simplified and distributed database engine, across multiple data centers, clouds, edges and other infrastructures.