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Third-Party Licenses

Linux Soundboard's own source code is licensed separately under the PolyForm Noncommercial 1.0.0 license. This file is the human-readable overview of major third-party components and release obligations.

The exact generated notices for Rust packages in the locked Linux release dependency graph, including package versions and full detected license texts, are in THIRD_PARTY_NOTICES.html. That generated file is authoritative for the corresponding Cargo.lock and must be regenerated whenever dependencies change:

cargo install cargo-about --version 0.8.4 --locked
packaging/generate-third-party-notices.sh

Binary release artifacts must include LICENSE, NOTICE.md, this overview, and THIRD_PARTY_NOTICES.html.

The package links in the generated notices identify the exact published source versions used by the locked build, including MPL-covered packages.

MPL-2.0 Component

Symphonia

Linux Soundboard uses Symphonia for media demuxing and audio decoding. The corresponding source code for Symphonia is available from the upstream repository linked above.

BSD-3-Clause Components

Opus codec library

Linux Soundboard links against the system-provided libopus library at runtime for decoding Opus audio streams. The library is not included in this distribution; users can replace it with a compatible version. The BSD 3-Clause license requires that the following notice be preserved in distributions that include the library:

Copyright 2001-2011 Xiph.Org, Skype Technologies, Octasic, Jean-Marc Valin,
Timothy B. Terriberry, CSIRO, Gregory Maxwell, Mark Borgerding, Erik de Castro Lopo

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

- Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.

- Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.

- Neither the name of Internet Society, IETF or IETF Trust, nor the names of
  specific contributors, may be used to endorse or promote products derived
  from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

ogg Rust crate

  • Component: ogg 0.8.0
  • License: BSD 3-Clause
  • Exact source and license text: see THIRD_PARTY_NOTICES.html

Public Domain Component

SQLite

  • Component: SQLite 3.51.3, bundled by libsqlite3-sys 0.37.0
  • License: public domain
  • Project page and source code: https://sqlite.org/

Linux Soundboard compiles the upstream SQLite amalgamation into the application through rusqlite's bundled feature, so installations do not depend on a distribution-provided SQLite library.

LGPL Components Dynamically Linked At Runtime

Linux Soundboard dynamically links against system-provided libraries on Linux. Those libraries are not relicensed under the project's PolyForm license. They remain available under their upstream LGPL terms, and users may replace those shared libraries with compatible modified versions as permitted by the LGPL.

Notes:

  • The Rust crates gtk4, libadwaita, pipewire, and libpulse-binding are separate bindings/wrappers with their own crate licenses listed below.

MIT-Only Rust Crates

The following direct dependencies are used under the MIT license:

  • ebur128 0.1.10. Copyright (c) 2011 Jan Kokemüller; Copyright (c) 2020 Sebastian Dröge.
  • gio 0.20.12. Copyright held by The gtk-rs Project Developers.
  • glib 0.20.12. Copyright held by The gtk-rs Project Developers.
  • glib-build-tools 0.20.0. Copyright held by The gtk-rs Project Developers.
  • gtk4 0.9.7. Copyright held by The gtk-rs Project Developers.
  • libadwaita 0.7.2. Copyright held by Bilal Elmoussaoui and libadwaita-rs contributors.
  • nix 0.29.0. Copyright (c) 2015 Carl Lerche + nix-rust Authors.
  • opus 0.3.1. Copyright held by opus crate contributors.
  • pulse (libpulse-binding) 2.30.1. Copyright held by libpulse-binding contributors.
  • pipewire 0.9.2. Copyright held by the pipewire-rs contributors.
  • rusqlite 0.39.0. Copyright held by the rusqlite contributors.
  • which 6.0.1. Copyright held by Harry Fei and which-rs contributors.
  • x11 2.21.0. Copyright held by daggerbot, Erle Pereira, AltF02, and x11-rs contributors.

MIT OR Apache-2.0 Rust Crates

The following direct dependencies are available under the MIT license or the Apache License, Version 2.0, at your option:

  • chrono 0.4.44. Copyright held by Chrono contributors.
  • dirs 5.0.1. Copyright (c) 2018-2019 dirs-rs contributors.
  • env_logger 0.11.10. Copyright (c) Individual contributors.
  • log 0.4.29. Copyright (c) 2014 The Rust Project Developers.
  • parking_lot 0.12.5. Copyright (c) 2016 The Rust Project Developers.
  • rayon 1.11.0. Copyright (c) 2010 The Rust Project Developers.
  • serde 1.0.228. Copyright held by Erick Tryzelaar, David Tolnay, and Serde contributors.
  • serde_json 1.0.149. Copyright held by Erick Tryzelaar, David Tolnay, and serde_json contributors.
  • sha2 0.10.9. Copyright (c) 2006-2009 Graydon Hoare; Copyright (c) 2009-2013 Mozilla Foundation; Copyright (c) 2016 Artyom Pavlov.
  • thiserror 1.0.69. Copyright held by David Tolnay and contributors.
  • uuid 1.22.0. Copyright (c) 2014 The Rust Project Developers; Copyright (c) 2018 Ashley Mannix, Christopher Armstrong, Dylan DPC, Hunar Roop Kahlon.

MIT Option Used For Unlicense OR MIT Crate

  • walkdir 2.5.0. Licensed as Unlicense OR MIT; this project relies on the MIT option here. Copyright (c) 2015 Andrew Gallant.

Standard MIT License Text

The following text applies to the MIT-licensed components listed above, and to dual-licensed components when the MIT option is selected:

Copyright (c) 2014 The Rust Project Developers

Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

Standard Apache License 2.0 Text

The following text applies to the dual-licensed components listed above when the Apache License, Version 2.0 option is selected:

                              Apache License
                        Version 2.0, January 2004
                     http://www.apache.org/licenses/

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