Compare software

DuckDB vs OctoSQL: catalog facts
DuckDB	OctoSQL
Free Free and open source under the MIT licence.	Free Free and open source under the Mozilla Public License 2.0.
Windows, macOS, Linux, Command line	Windows, Command line
Queries CSV and Parquet files directly with no loading step Embeds into Python, R and the shell with a single dependency	Joins data across different databases and file formats in one query Uses standard SQL
Single-process by design; it is not a shared multi-user database Concurrent writers are not supported	No commits since May 2024 Command line only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MPL-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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