# Third-party licences

Python packages are installed by the user from `requirements.txt` (not shipped in this repo).
Licences as published by each project, read 2026-09-30; update with any dependency change.

| Package | Requirement | Licence |
|---|---|---|
| numpy | >=2.3 | BSD-3-Clause |
| scipy | >=1.16 | BSD-3-Clause |
| pillow | >=11 | MIT-CMU (HPND) |
| h3 (h3-py) | >=4.5,<5 | Apache-2.0 |
| numba (optional: compiled fast paths) | any | BSD-2-Clause |
| llvmlite (with numba) | any | BSD-2-Clause; bundles LLVM: Apache-2.0 with LLVM exception |