# License

> Software and documentation licensing for Vchord (pgsty/vchord, pgsty/vchord_bm25, pgsty/pg_tokenizer) and vchord.pgsty.com.

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LLMS index: [llms.txt](/llms.txt)

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## Software License (`pgsty/vchord` & `pgsty/vchord_bm25`)

[`pgsty/vchord`](https://github.com/pgsty/vchord) and [`pgsty/vchord_bm25`](https://github.com/pgsty/vchord_bm25) are licensed under the **[GNU Affero General Public License v3.0 (`AGPL-3.0-only`)](https://www.gnu.org/licenses/agpl-3.0.html)**:

- **[`pgsty/vchord` `LICENSE`](https://github.com/pgsty/vchord/blob/main/LICENSE)**
- **[`pgsty/vchord_bm25` `LICENSE`](https://github.com/pgsty/vchord_bm25/blob/main/LICENSE)**

## Software License (`pgsty/pg_tokenizer`)

[`pgsty/pg_tokenizer`](https://github.com/pgsty/pg_tokenizer) is licensed under the **[Apache License 2.0 (`Apache-2.0`)](https://www.apache.org/licenses/LICENSE-2.0)**:

- **[`pgsty/pg_tokenizer` `LICENSE`](https://github.com/pgsty/pg_tokenizer/blob/main/LICENSE)**

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## Documentation License (`vchord.pgsty.com`)

The documentation and site adaptations in [`pgsty/vchord.pgsty.com`](https://github.com/pgsty/vchord.pgsty.com) are licensed under the **[Creative Commons Attribution 4.0 International License (`CC-BY-4.0`)](https://creativecommons.org/licenses/by/4.0/)**, with upstream materials adapted from [`tensorchord/pgvecto.rs-docs`](https://github.com/tensorchord/pgvecto.rs-docs) and [`blog.vectorchord.ai`](https://blog.vectorchord.ai/).

The site theme, **[OINK `v1.4.0`](https://github.com/pgsty/oink)**, is licensed under **[Apache License 2.0 (`Apache-2.0`)](https://www.apache.org/licenses/LICENSE-2.0)**.