# Third-Party/External Code | |
This directory contains "vendored" code, i.e. code which copied into this repository from external sources. | |
Directory names generally follow the scheme `<vendor>`_`<library>`. | |
## Work with software code in external repositories | |
Please refer to [vendor_hw](https://docs.opentitan.org/doc/ug/vendor_hw/) for more details on | |
rationale of vendoring external repositories. |