Each bundled or linked component below remains governed by its own license; those entries satisfy the attribution and source-availability requirements those licenses place on us as a distributor. The service entries identify online providers named in our legal pages. The same catalogue is available in the app under Settings → About.
FFmpeg is bundled as a separate, independently executed program under the GPL-3.0-or-later license. Quven bundles a vanilla GPL build of FFmpeg. The complete corresponding source code is available under the same license at https://ffmpeg.org/download.html.
Bundled components
- AsyncImageLoader.AvaloniaMIThttps://github.com/AvaloniaCommunity/AsyncImageLoader.Avalonia
- AvaloniaMIThttps://avaloniaui.net/
- CliWrapMIThttps://github.com/Tyrrrz/CliWrap
- CommunityToolkit.MvvmMIThttps://github.com/CommunityToolkit/dotnet
- Entity Framework CoreMIThttps://github.com/dotnet/efcore
- F23.StringSimilarityMIThttps://github.com/feature23/StringSimilarity.NET
- FFmpegGPL-3.0-or-laterhttps://ffmpeg.org/
- InterSIL Open Font License 1.1https://github.com/rsms/inter
- LibVLCLGPL-2.1-or-laterhttps://www.videolan.org/vlc/libvlc.html
Quven links LibVLC dynamically via LibVLCSharp.Avalonia. The bundled, unmodified LibVLC binary may be replaced by the user with a compatible version.
- LibVLCSharp.AvaloniaLGPL-2.1-or-laterhttps://code.videolan.org/videolan/LibVLCSharp
- mpv (libmpv)LGPL-2.1-or-laterhttps://github.com/nickayl/mpv
The native mobile apps dynamically link an LGPL-clean libmpv build from a public fork; the complete corresponding source, including patches, is available at the linked repository.
- libplaceboLGPL-2.1-or-laterhttps://github.com/nickayl/libplacebo
GPU rendering library used by the mobile players, built from a public fork; the complete corresponding source is available at the linked repository.
- Makaretu.Dns.Multicast.NewMIThttps://github.com/iadepre/net-dns
- MapperlyApache-2.0https://github.com/riok/mapperly
- Material.Icons.AvaloniaMIThttps://github.com/SKProCH/Material.Icons.Avalonia
- Microsoft.Extensions.Http.ResilienceMIThttps://github.com/dotnet/extensions
- PollyBSD-3-Clausehttps://github.com/App-vNext/Polly
- QuickenshteinMIThttps://github.com/Turnerj/Quickenshtein
- RobotoApache-2.0https://github.com/googlefonts/roboto-2
Bundled in the mobile clients as the fallback subtitle font for libass because platform system fonts are not always reachable.
- SerilogApache-2.0https://serilog.net/
- SkiaSharpMIThttps://github.com/mono/SkiaSharp
- SQLitePublic Domainhttps://www.sqlite.org/copyright.html
- System.ReactiveMIThttps://github.com/dotnet/reactive
- TMDbLibMIThttps://github.com/jellyfin/TMDbLib
Third-party online services
These services are contacted only when the related feature is configured, enabled or requested. Their availability is not guaranteed by us and each is governed by its own terms.
- BrevoService APIhttps://www.brevo.com/
Quven uses Brevo for transactional account and support email while that provider is selected in production.
- CloudflareService APIhttps://www.cloudflare.com/
Quven uses Cloudflare for content delivery and protection, aggregate Web Analytics, managed TURN relay, DNS and inbound email routing.
- Configurable AI providerService APIhttps://www.deepseek.com/
AI disambiguation uses Quven's managed service or operator-supplied credentials for an OpenAI-compatible provider; DeepSeek is the default provider.
- JustWatchStreaming availability data via TMDbhttps://www.justwatch.com/
Streaming availability data is licensed to TMDb by JustWatch and is shown for information only.
- OMDbService APIhttps://www.omdbapi.com/
External rating lookups use Quven's managed service or operator-supplied OMDb credentials.
- OpenSubtitlesService APIhttps://www.opensubtitles.com/
User-initiated subtitle search and acquisition use Quven's managed service or operator-supplied OpenSubtitles credentials.
- SentryService APIhttps://sentry.io/
Diagnostics and crash reporting use Sentry; they are on by default with a one-click opt-out in settings.
- StripeService APIhttps://stripe.com/
Stripe processes payments only when paid plans begin.
- TMDbService API (free, with attribution)https://www.themoviedb.org/
This product uses the TMDb API but is not endorsed or certified by TMDb.
Quven's own source code is proprietary and provided under theEnd User License Agreement. See also ourTerms & Conditions andPrivacy Policy.