Tront YouTube Downloader embeds these separate, unmodified command-line tools:

yt-dlp 2026.08.19: https://github.com/yt-dlp/yt-dlp/releases/tag/2026.08.19
Source: https://github.com/yt-dlp/yt-dlp/tree/2026.08.19
Core yt-dlp code: Unlicense. Official Windows binary includes its Python runtime,
EJS scripts and third-party libraries under their respective upstream licenses.
Upstream license details: https://github.com/yt-dlp/yt-dlp/blob/2026.08.19/LICENSE

QuickJS-NG 0.17.0: https://github.com/quickjs-ng/quickjs/releases/tag/v0.17.0
Source/license: https://github.com/quickjs-ng/quickjs/tree/v0.17.0
MIT license. Copyright Fabrice Bellard, Charlie Gordon, and QuickJS-NG contributors.

FFmpeg and ffprobe 9.0.2, Gyan essentials build: GPL version 3.
Binary origin: https://www.gyan.dev/ffmpeg/builds/
Build archive: https://www.gyan.dev/ffmpeg/builds/packages/ffmpeg-9.0.2-essentials_build.zip
FFmpeg source revision: https://github.com/FFmpeg/FFmpeg/commit/946fcce07b
Build configuration and dependency information: https://www.gyan.dev/ffmpeg/builds/
These programs are executed as separate processes; they are not linked into the Rust UI.
The original FFmpeg build LICENSE is retained in runtime-assets after preparation.

Rajdhani SemiBold: Copyright (c) 2014, Indian Type Foundry.
SIL Open Font License 1.1; full license included in assets/fonts/OFL.txt.

Rust UI libraries retain their upstream licenses. Cargo.lock records exact versions.
No third-party runtime binary is altered. No paid asset code is included.