Third-Party Notices

Last updated: August 2026

DraftPop is built using a number of open-source software components. This page lists the key libraries and tools used in building and running the service, grouped by licence.

MIT Licence

  • Flask-SQLAlchemy, SQLAlchemy, blinker, anthropic (Python SDK), urllib3, charset-normalizer, pydantic, pydantic_core, annotated-types, typing-inspection, docstring_parser, platformdirs, audioread, cffi, greenlet, narwhals

BSD Licence (2 & 3-Clause)

  • Flask, Werkzeug, Jinja2, MarkupSafe, itsdangerous, click, idna, httpx, httpcore, h11, anyio, sniffio, python-dotenv, numpy, scipy, scikit-learn, joblib, threadpoolctl, numba, llvmlite, soundfile, pooch, lazy-loader, pycparser

Apache License 2.0

  • requests, distro, msgpack, packaging

ISC Licence

  • librosa

LGPL 2.1+

  • soxr (Python bindings for the libsoxr resampling library)

Mozilla Public License 2.0

  • certifi

Python Software Foundation Licence

  • typing_extensions

GNU General Public License (GPL)

FFmpeg is used server-side to process and render uploaded media. FFmpeg is licensed under the GPL. It is run internally as a server-side tool to provide the DraftPop service and is never distributed, bundled, or shipped as part of any downloadable product. The FFmpeg project can be found at ffmpeg.org.

Platform & content management

DraftPop’s website is built on WordPress (GPL v2) together with the Elementor and Hello Elementor plugin/theme, Wordfence, and a cookie consent plugin. These are used as the platform running the site rather than code embedded within DraftPop’s own application.

Questions about this page can be sent via our Contact page.