LuaBill - Open Source Business Document Generator Copyright 2026 Vsevolod Shashkov & Mikhail Shashkov This software is licensed under the Apache License, Version 2.0. https://www.apache.org/licenses/LICENSE-2.0 Third-party components retain their own licenses and attribution notices. Third-party component: luaqrcode (qrencode.lua) Copyright (c) 2012-2020, Patrick Gundlach and contributors, see https://github.com/speedata/luaqrcode Licensed under the 3-clause BSD license (BSD-3-Clause). Upstream source used: https://github.com/speedata/luaqrcode/blob/6291d11249208d3eb2423bdaa1b491db34297d7a/qrencode.lua The complete upstream copyright notice, license conditions and disclaimer are retained at the beginning of qrencode.lua. Additional bundled components retain their original notices and licenses: CPython (Python Software Foundation and contributors); Qt, PySide6 and Shiboken6 (The Qt Company and contributors); PyInstaller (its development team and earlier authors, with the bootloader exception); Mustangproject (Jochen Staerk and contributors), its Java dependencies, fonts and profiles; and the Inno Setup installer engine (Jordan Russell and Martijn Laan). See docs/THIRD_PARTY.en.html, docs/THIRD_PARTY_MUSTANG.html, docs/THIRD_PARTY_TEX.html, docs/WINDOWS_NOTICES.md and tools/licenses/. The Windows application also carries third-party-licenses/ with original runtime notices and version/source/hash manifests. Artwork provenance reported by the project owners: LuaBill3D.ico was generated using ChatGPT. Max_Mustermann.png and Musterfirma_GmbH.png are believed to have been generated using ChatGPT; exact generation records are not confirmed. Their PNG metadata records editing in GIMP 3.0.4, not authorship or a license.