Licensing & attribution.

Nexus (the application)

Nexus is licensed under the GNU Affero General Public License v3.0. That's a strong copyleft license — derivative works must remain open source and any network-accessible deployment must make source available to its users. Full text at github.com/PetalCat/Nexus/blob/main/LICENSE.

Copyright © 2026 PetalCat and Nexus contributors.

This website

The source for this marketing site (nexus-website) is also AGPL-3.0, matching the app. Source: github.com/PetalCat/nexus-website.

Poster art in the hero

The rotating poster art on the homepage is drawn from Wikimedia Commons, filtered to files whose copyright-status statement (P6216) is public domain (Q19652). The set is biased toward silent-era film posters (1900–1928), which are public domain in the United States by age, plus individual PD book covers, opera posters, and 2024-PD Steamboat Willie.

The fetch script — scripts/fetch-posters.sh in this repo — is transparent about its queries and is re-runnable. Individual files retain their original filenames so each can be traced back to Wikimedia Commons via https://commons.wikimedia.org/wiki/File:<filename>.

If you see a file that's not actually in the public domain, file an issue and we'll pull it.

Third-party trademarks

Jellyfin, Plex, Calibre, Sonarr, Radarr, Lidarr, Bazarr, Prowlarr, Overseerr, RomM, Invidious, StreamyStats, and Docker are trademarks or registered marks of their respective owners. Nexus integrates with these projects but is not affiliated with, endorsed by, or sponsored by any of them.

Fonts

Playfair Display, DM Sans, and JetBrains Mono — all SIL Open Font License (OFL).