ClickHouse
ClickHouse, Inc. · Analytical engines & OLAP
Open-source columnar OLAP database server for fast aggregations over billions of rows, with MergeTree storage, SQL and a managed ClickHouse Cloud
4 tools
ClickHouse, Inc. · Analytical engines & OLAP
Open-source columnar OLAP database server for fast aggregations over billions of rows, with MergeTree storage, SQL and a managed ClickHouse Cloud
dbt Labs (Fivetran + dbt Labs) · ETL/ELT & orchestration
SQL-first transformation framework that compiles templated models, tests and documentation into warehouse tables; open-source Core plus a commercial platform
DuckDB Foundation / DuckDB Labs · Analytical engines & OLAP
In-process analytical SQL database that queries Parquet, CSV and Arrow data directly from Python, R, Node or the CLI
Kùzu Inc. (company acquired; project archived) · NoSQL & key-value stores
Embedded property-graph database with Cypher, vector and full-text search; MIT-licensed but archived in October 2025 after the company was acquired
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