Legal & Licenses

Open Source Licenses

This application uses the following open source software and libraries. We are grateful to the developers and communities who have contributed to these projects.

Axios (v1.13.5)

License: MIT

Description: Promise based HTTP client for the browser and node.js.

Repository: https://github.com/axios/axios

Copyright: © 2024 Matt Zabriskie & Collaborators

Browser Image Compression (v2.0.2)

License: MIT

Description: Client-side image compression.

Repository: https://github.com/Donaldcwl/browser-image-compression

Copyright: © 2019 Donald Cwl

Cannon-es (v0.20.0)

License: MIT

Description: 3D physics engine for the web.

Repository: https://github.com/pmndrs/cannon-es

Copyright: © 2020 PMNDRS

cdgraphics (v7.0.0)

License: ISC

Description: A fast, flexible CD+Graphics (CD+G) renderer for karaoke graphics. Handles the obscure CD+G bitwise instruction set.

Repository: https://github.com/bhj/cdgraphics

Copyright: © radrootllc

clsx (v2.1.1)

License: MIT

Description: Utility for constructing className strings.

Repository: https://github.com/lukeed/clsx

Copyright: © Luke Edwards

date-fns (v4.1.0)

License: MIT

Description: Modern JavaScript date utility library.

Repository: https://github.com/date-fns/date-fns

Copyright: © 2024 Sasha Koss and Lesha Koss

Embla Carousel React (v8.6.0)

License: MIT

Description: Lightweight carousel library for React.

Repository: https://github.com/davidjerleke/embla-carousel

Copyright: © 2019 David Jerleke

Emotion (@emotion/react v11.14.0)

License: MIT

Description: CSS-in-JS library for React.

Repository: https://github.com/emotion-js/emotion

Copyright: © 2024 Emotion team

ESLint (v9.39.2)

License: MIT

Description: A tool for identifying and reporting on patterns found in ECMAScript/JavaScript code.

Repository: https://github.com/eslint/eslint

Copyright: © OpenJS Foundation

Firebase (v11.10.0)

License: Apache-2.0

Description: Firebase JavaScript SDK for web applications.

Repository: https://github.com/firebase/firebase-js-sdk

Copyright: © Google LLC

Firebase Admin (v13.6.1)

License: Apache-2.0

Description: Firebase Admin SDK for Node.js server applications.

Repository: https://github.com/firebase/firebase-admin-node

Copyright: © Google LLC

Formidable (v3.5.4)

License: MIT

Description: Node.js module for parsing form data.

Repository: https://github.com/node-formidable/formidable

Copyright: © 2011 Felix Geisendörfer

Formkit Auto Animate (@formkit/auto-animate v0.9.0)

License: MIT

Description: Automatic animations for form and list changes.

Repository: https://github.com/formkit/auto-animate

Copyright: © Formkit, Inc.

Formkit Drag and Drop (@formkit/drag-and-drop v0.5.3)

License: MIT

Description: Drag and drop utilities.

Repository: https://github.com/formkit/drag-and-drop

Copyright: © Formkit, Inc.

Framer Motion (v12.33.0)

License: MIT

Description: A production-ready motion library for React.

Repository: https://github.com/framer/motion

Copyright: © Framer BV

Fuse.js (v7.1.0)

License: Apache-2.0

Description: Lightweight fuzzy-search library.

Repository: https://github.com/krisk/fuse

Copyright: © 2012 Kirollos Risk

Headless UI (@headlessui/react v2.2.9)

License: MIT

Description: Unstyled, accessible UI components for React.

Repository: https://github.com/tailwindlabs/headlessui

Copyright: © 2020 Tailwind Labs, Inc.

idb (v8.0.3)

License: ISC

Description: A small wrapper that makes IndexedDB usable with promises. Used for storing large blobs (songs) in the browser.

Repository: https://github.com/jakearchibald/idb

Copyright: © 2016-2020 Jake Archibald

JS Cookie (v3.0.5)

License: MIT

Description: Simple, lightweight JavaScript API for browser cookies.

Repository: https://github.com/js-cookie/js-cookie

Copyright: © 2014-2024 Klaus Hartl, Fagner Brack, GitHub Contributors

JSZip (v3.10.1)

License: MIT OR GPL-3.0-or-later

Description: A JavaScript library for creating, reading and editing .zip files. Used for standard, reliable client-side unzipping of karaoke files.

Repository: https://github.com/Stuk/jszip

Copyright: © 2009-2016 Stuart Knightley

Leaflet (v1.9.4)

License: BSD-2-Clause

Description: An open-source JavaScript library for mobile-friendly interactive maps.

Repository: https://github.com/Leaflet/Leaflet

Copyright: © 2010-2024, Vladimir Agafonkin, © 2010-2011, CloudMade

lodash.isequal (v4.5.0)

License: MIT

Description: Deep equality check (lodash isEqual).

Repository: https://github.com/lodash/lodash

Copyright: © JS Foundation and contributors

Lucide React (v0.557.0)

License: ISC

Description: Beautiful, consistent icon set for React.

Repository: https://github.com/lucide-icons/lucide

Copyright: © 2024 Lucide Contributors

Marked (v15.0.12)

License: MIT

Description: Markdown parser and compiler.

Repository: https://github.com/markedjs/marked

Copyright: © 2011-2024 Christopher Jeffrey

Material-UI (@mui/material v7.3.7)

License: MIT

Description: React components for faster and easier web development.

Repository: https://github.com/mui/material-ui

Copyright: © 2014-2024 MUI

MDX Editor (@mdxeditor/editor v3.52.3)

License: MIT

Description: Rich markdown editor for React.

Repository: https://github.com/mdx-editor/editor

Copyright: © 2022-2024 Serhii Hulko

Micro (v10.0.1)

License: MIT

Description: Asynchronous HTTP microservices.

Repository: https://github.com/vercel/micro

Copyright: © 2016-2020 Vercel, Inc.

Motion (v12.33.0)

License: MIT

Description: Motion library for React (Framer Motion).

Repository: https://github.com/motion-dev/motion

Copyright: © Framer BV

Next Themes (v0.4.6)

License: MIT

Description: Theme switching for Next.js.

Repository: https://github.com/pacocoursey/next-themes

Copyright: © 2020 Paco Coursey

Next.js (v16.1.6)

License: MIT

Description: The React Framework for Production.

Repository: https://github.com/vercel/next.js

Copyright: © 2024 Vercel, Inc.

Pica (v9.0.1)

License: MIT

Description: High-quality image resizing in the browser.

Repository: https://github.com/nodeca/pica

Copyright: © 2014-2017 Vitaly Puzrin

QRCode (v1.5.4)

License: MIT

Description: QR code generator for Node and browser.

Repository: https://github.com/soldair/node-qrcode

Copyright: © 2012 Ryan Day

QRCode.React (v4.2.0)

License: ISC

Description: QR code component for React.

Repository: https://github.com/zpao/qrcode.react

Copyright: © 2020 Paul O'Shannessy

Radix UI Icons (@radix-ui/react-icons v1.3.2)

License: MIT

Description: Icon set for Radix UI.

Repository: https://github.com/radix-ui/icons

Copyright: © 2022 Modulz

React (v19.2.4)

License: MIT

Description: A JavaScript library for building user interfaces.

Repository: https://github.com/facebook/react

Copyright: © 2024 Meta Platforms, Inc. and affiliates

React CountUp (v6.5.3)

License: MIT

Description: Count-up animation component for React.

Repository: https://github.com/glenn-davis/ReactCountUp

Copyright: © 2016 Glenn Davis

React Datepicker (v8.10.0)

License: MIT

Description: Datepicker component for React.

Repository: https://github.com/Hacker0x01/react-datepicker

Copyright: © 2016 HackerOne

React Day Picker (v9.13.1)

License: MIT

Description: Date picker component for React.

Repository: https://github.com/gpbl/react-day-picker

Copyright: © 2017-2024 Giampaolo Bellavite

React Dropzone (v14.4.0)

License: MIT

Description: File dropzone component for React.

Repository: https://github.com/react-dropzone/react-dropzone

Copyright: © 2020 Param Aggarwal

React Hot Toast (v2.6.0)

License: MIT

Description: Toast notifications for React.

Repository: https://github.com/timolins/react-hot-toast

Copyright: © 2020 Timo Lins

React Icons (v5.5.0)

License: MIT

Description: Popular icon packs for React.

Repository: https://github.com/react-icons/react-icons

Copyright: © 2020 React Icons Contributors

React International Phone (v4.7.0)

License: MIT

Description: International phone input for React.

Repository: https://github.com/niceperson/react-international-phone

Copyright: © 2022 niceperson

React Leaflet (v5.0.0)

License: Hippocratic-2.1

Description: React components for Leaflet maps.

Repository: https://github.com/PaulLeCam/react-leaflet

Copyright: © 2020 Paul Le Cam and contributors

React Loading Skeleton (v3.5.0)

License: MIT

Description: Skeleton loading placeholder for React.

Repository: https://github.com/dvtng/react-loading-skeleton

Copyright: © 2019 David Tang

React Toastify (v11.0.5)

License: MIT

Description: Toast notifications for React.

Repository: https://github.com/fkhadra/react-toastify

Copyright: © 2017 Fadi Khadra

React Vertical Timeline Component (v3.6.0)

License: MIT

Description: Vertical timeline component for React.

Repository: https://github.com/stephane-monnot/react-vertical-timeline

Copyright: © 2018 Stéphane Monnot

Recharts (v2.15.4)

License: MIT

Description: A composable charting library built on React components.

Repository: https://github.com/recharts/recharts

Copyright: © 2015-2024 Recharts Group

Sanitize HTML (v2.17.0)

License: MIT

Description: Sanitize HTML to prevent XSS.

Repository: https://github.com/apostrophecms/sanitize-html

Copyright: © 2013 Apostrophe Technologies, Inc.

Sentry (@sentry/nextjs v10.38.0)

License: MIT

Description: Sentry SDK for Next.js applications.

Repository: https://github.com/getsentry/sentry-javascript

Copyright: © Sentry

Sharp (v0.34.5)

License: Apache-2.0

Description: High-performance image processing library for Node.js.

Repository: https://github.com/lovell/sharp

Copyright: © 2013 Lovell Fuller and contributors

Signalsmith Stretch (v1.3.2)

License: MIT

Description: Audio time-stretching library.

Repository: https://github.com/nicbarker/signalsmith-stretch

Copyright: © Nick Barker

Stripe (v18.5.0)

License: MIT

Description: Stripe API library for Node.js and browser environments.

Repository: https://github.com/stripe/stripe-node

Copyright: © Stripe, Inc.

Stripe.js (@stripe/stripe-js v7.9.0)

License: MIT

Description: Stripe JavaScript SDK for browser-based Stripe integration.

Repository: https://github.com/stripe/stripe-js

Copyright: © Stripe, Inc.

Tabler Icons React (@tabler/icons-react v3.36.1)

License: MIT

Description: React components for Tabler icons.

Repository: https://github.com/tabler/tabler-icons

Copyright: © 2020-2024 Paweł Kuna

Tailwind CSS (v3.4.19)

License: MIT

Description: A utility-first CSS framework for rapidly building custom user interfaces.

Repository: https://github.com/tailwindlabs/tailwindcss

Copyright: © 2024 Tailwind Labs, Inc.

Tailwind Merge (v3.4.0)

License: MIT

Description: Merge Tailwind CSS classes without style conflicts.

Repository: https://github.com/dcastil/tailwind-merge

Copyright: © 2021 Dustin Castil

Typed.js (v2.1.0)

License: MIT

Description: Typing animation library.

Repository: https://github.com/mattboldt/typed.js

Copyright: © 2014 Matt Boldt

Web Audio API

License: Browser API (W3C Standard)

Description: A high-level JavaScript API for processing and synthesizing audio in web applications. Provides low latency, precise timing, and mixing capabilities for audio playback.

Specification: https://www.w3.org/TR/webaudio/

Copyright: © W3C (World Wide Web Consortium)

xbr-js (v2.0.1)

License: MIT

Description: Image scaling using xBR algorithm.

Repository: https://github.com/nicbarker/xbr-js

Copyright: © Nick Barker

Zod (v4.3.6)

License: MIT

Description: TypeScript-first schema validation with static type inference.

Repository: https://github.com/colinhacks/zod

Copyright: © 2020 Colin McDonnell

License Information

MIT License

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.

ISC License

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Apache License 2.0

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at:

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

BSD 2-Clause License

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

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

2. 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.

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 HOLDER 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.

Hippocratic License 2.1

Used by React Leaflet. The license permits use consistent with human rights principles and requires that recipients receive the license and copyright notice. Modified versions must carry prominent notices of changes.

Full license text:

https://firstdonoharm.dev/version/2/1/license.html

Additional Dependencies

This application uses many additional open source libraries and dependencies. The libraries listed above represent the major dependencies. For a complete list of all dependencies and their licenses, please refer to the package.json file in the project repository or use tools like `npm list` or `license-checker`.

All dependencies are typically licensed under MIT, ISC, Apache-2.0, or BSD licenses, which are permissive open source licenses. If you have questions about specific dependencies not listed here, please contact us.

Application License

This karaoke web player application is provided as-is. Please refer to the individual library licenses above for their respective terms and conditions.