THIRD-PARTY NOTICE — MODEST GUITAR This project was originally based on Modest Guitar by xeloader: https://github.com/xeloader/modest-guitar Upstream contributor credits: - TonyBaldascino — support for personal tabs - aberonni — support for pro tabs - bdelo — manual dark mode and Firefox support The author's official Firefox release declares the MIT License: https://addons.mozilla.org/en-US/firefox/addon/modest-guitar-official/ License text linked by that release: https://spdx.org/licenses/MIT.html Verified October 9, 2026 against official version 0.1.3, its Mozilla package metadata and its downloadable package. The package SHA-256 is: 723e2484ea9235c0c2f1dfde66ed0b99a76c71f3fa667c7ca77ec6a83f3ec365 The package's scripts and README match upstream commit: e463cf240ef82b82bdc8e25476f3ee4238aa900b No separate copyright-holder/year notice was present in the inspected upstream repository or official download. The available author/contributor credits are preserved above; no copyright holder or year has been invented. The declared license's permission and warranty terms are reproduced below. This third-party notice records the upstream license and project history; it does not assign a new blanket license to Zoldy's original additions. MIT LICENSE — PERMISSION AND WARRANTY TERMS 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. CURRENT ASSETS AND CONTENT The inherited icon PNGs were replaced in v0.1.75 with an original sheet-column design. Its editable vector source is icons/source.svg. Current help/privacy pages use system fonts and no third-party scripts, logos, images or font services. No song library, chord sheets, private tabs or Ultimate Guitar artwork is included in this extension package. The viewer and parser were rewritten during this project's earlier revisions. That history does not constitute a clean-room provenance or legal audit. Ultimate Guitar's name describes compatibility. This is an independent project, not affiliated with or endorsed by Ultimate Guitar. Content rights remain with their respective owners. The MIT license for extension code does not grant permission concerning Ultimate Guitar's website or song content.