Open source

Open source software used by Slurp

Slurp is proprietary software, but it relies on a number of open-source projects. This page lists Slurp’s open-source notices and major bundled components. The web-hosted archive below is a previously published release-materials package. Current Slurp 1.0.2 builds include their own exportable open-source materials archive under About Slurp → Licenses & Notices.

Published materials

Release materials

The application includes an exportable open-source materials archive under About Slurp → Licenses & Notices. It contains retained source distributions, exact license and notice texts, provenance information, and the runtime build scripts for this release.

macOS arm64 FFmpeg 9.0.1 yt-dlp 2026.08.04.234419 Streamlink 8.4.0 Telethon 1.44.0

Download published materials ↓ Exact source distributions, license texts, provenance and runtime build/replacement materials for this release. SHA-256 checksum

Bundled components

Major open-source projects documented by Slurp

These are the principal runtime components. Additional Python dependencies and their exact licenses are listed in the generated package inventory below.

FFmpeg 9.0.1LGPL v2.1+

Media muxing, conversion, merging and post-processing. Slurp builds FFmpeg with GPL and non-free components disabled.

ffmpeg.org ↗

LAME 3.100LGPL

MP3 encoding through a separately packaged, dynamically linked libmp3lame library.

lame.sourceforge.io ↗

yt-dlpThe Unlicense

Media extraction, site support and download orchestration. Slurp ships the PyPI wheel rather than yt-dlp’s GPL PyInstaller executable.

github.com/yt-dlp/yt-dlp ↗

Streamlink 8.4.0BSD-2-Clause

Live-stream discovery and recording engine. Its pinned pycountry dependency is tracked separately under LGPL-2.1-only.

streamlink.github.io ↗

Telethon 1.44.0MIT

Telegram MTProto client used for authenticated media access with the user’s own Telegram account.

docs.telethon.dev ↗

QuickJS 2026-06-04MIT

JavaScript runtime used by supported yt-dlp challenge-solving workflows.

bellard.org/quickjs ↗

Truststore 0.10.4MIT

Connects embedded Python HTTPS validation to the native macOS Security.framework trust policy.

github.com/sethmlarson/truststore ↗

CPython 3.13.15Python license corpus

Embedded interpreter distributed through python-build-standalone for yt-dlp, Streamlink, Telethon and supporting packages.

python-build-standalone ↗

curl_cffi 0.15.1b2MIT

Browser/TLS impersonation transport used by yt-dlp. Exact native lineage and retained source are documented in the release materials.

github.com/lexiforest/curl_cffi ↗

pycountry 24.6.1LGPL-2.1-only

A Streamlink dependency explicitly tracked by Slurp’s release policy, with its exact source archive retained for redistribution.

See package license inventory

Exact notices

License and provenance files

These text files are copied from the release notice corpus shipped inside Slurp. The complete release archive additionally contains retained source distributions and build/replacement instructions.

Third-party noticesTXT FFmpeg LGPL v2.1TXT LAME licenseTXT yt-dlp licenseTXT QuickJS licenseTXT Truststore licenseTXT Python package license inventoryTXT Python package lockTXT Python dependency mapTXT Native component auditTXT Python runtime license corpusTXT Python runtime provenanceTXT

Slurp’s original application code is proprietary. Third-party components remain governed by their respective licenses. Nothing on this page changes or replaces those license terms.