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ClickHouse vs Quickwit: catalog facts
ClickHouse	Quickwit
Freemium Free and open source to self-host, with a paid managed cloud service also available.	Free Free and open source. Hosting, hardware and any external services are separate.
Self-hosted	Self-hosted
Columnar storage gives fast query performance over very large datasets Widely adopted as the backend for other open source observability tools	Supports distributed search workloads Separates storage from search compute
Using it well for observability requires additional tooling or schema design on top Operating a ClickHouse cluster at scale takes real database administration expertise	Requires infrastructure and ingestion configuration rather than just a desktop install.
Self-hosted, Downloadable app	Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.