The third-party components SyncLab includes, and the license each one is used under. The same text is installed with SyncLab.
Version of October 20, 2026
The current text of these notices: https://ctlab.app/legal/synclab-notices
SyncLab is Copyright (c) 2026 Creator Tools Lab (CT Lab). It includes the third-party components below. Each is the property of its owners and is used under its own license, named here; where a component's license grants you broader rights than the CT Lab License Agreement (LICENSE-AGREEMENT.txt), that license governs the component.
The REDR3D library (REDR3D-x64.dll on Windows, REDR3D.dylib on macOS) is RED's redistributable library, shipped unmodified in a private folder used only by SyncLab, under the RED R3D SDK License Agreement. Copyright (c) RED.COM, Inc. All rights reserved. RED has not certified SyncLab and does not guarantee its performance.
Licensed under the GNU General Public License version 2 or later (built with --enable-gpl; it includes x264, x265, libvpx, libaom, SVT-AV1, LAME, Opus, libass and the other libraries its configuration names, each under its own license). They are separate programs that SyncLab starts as their own processes; they are not linked into SyncLab. License text: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html. Source: https://github.com/FFmpeg/FFmpeg (tag n7.1.1); we will provide the complete corresponding source on request to support@ctlab.app for three years from the date you received SyncLab.
Licensed under the GNU Lesser General Public License version 3 or later (built with --enable-version3, without --enable-gpl). https://ffmpeg.org - license texts: https://www.gnu.org/licenses/lgpl-3.0.html and https://www.gnu.org/licenses/gpl-3.0.html. The binaries are a shared build of the unmodified sources (n9.0.2-14-gebafaee10a, BtbN/FFmpeg-Builds; the Windows files carry our code signature); its source is at https://github.com/FFmpeg/FFmpeg and we will provide it on request to support@ctlab.app. Libraries linked into that build carry their own licenses (dav1d, rav1e, libvorbis, libvmaf: BSD; libxml2, harfbuzz, fontconfig: MIT; FreeType: FreeType License; FriBidi, GMP, libiconv, librsvg: LGPL; liblzma: public domain; zlib: zlib License).
Python 3.14 - Python Software Foundation - PSF License Agreement, https://docs.python.org/3/license.html NumPy 2.5 - NumPy Developers - BSD 3-Clause License SciPy 1.18 - SciPy Developers - BSD 3-Clause License OpenBLAS (bundled with NumPy and SciPy) - BSD 3-Clause License cryptography 50 - The cryptography developers - Apache License 2.0 or BSD 3-Clause License OpenSSL 3 (libssl, libcrypto) - The OpenSSL Project - Apache License 2.0 libffi - Anthony Green, Red Hat, Inc. and others - MIT License cffi 2.1, pycparser 3.0 - MIT License / BSD 3-Clause License certifi 2026.7 - Kenneth Reitz - Mozilla Public License 2.0, https://www.mozilla.org/MPL/2.0/ soundfile 0.14 - Bastian Bechtold - BSD 3-Clause License libsndfile - Erik de Castro Lopo and contributors - GNU Lesser General Public License 2.1 pymediainfo 7.0 - Louis Sautier - MIT License MediaInfo library - MediaArea.net SARL - BSD 2-Clause License pywebview 6.2 - Roman Sirokov - BSD 3-Clause License pythonnet 3.1, clr_loader 0.3 - the Python.NET developers - MIT License proxy_tools 0.1 - MIT License; bottle 0.13 - Marcel Hellkamp - MIT License; typing_extensions - PSF License psutil 7.2 - Copyright (c) 2009, Jay Loden, Dave Daeschler, Giampaolo Rodola - BSD 3-Clause License PyYAML 6.0 - Copyright (c) 2017-2021 Ingy döt Net, Copyright (c) 2006-2016 Kirill Simonov - MIT License charset-normalizer 3.4 - Copyright (c) 2025 TAHRI Ahmed R. - MIT License packaging 26 - Copyright (c) Donald Stufft and individual contributors - Apache License 2.0 or BSD 2-Clause License setuptools 83 - the Python Packaging Authority - MIT License (with the libraries it vendors, each MIT, Apache 2.0 or BSD licensed: more_itertools, jaraco.*, importlib_metadata, platformdirs, tomli, wheel, zipp, packaging) pyobjc 12.2 (macOS only) - Ronald Oussoren and contributors - MIT License GSAP 3.12.5 (the interface's animation library) - Copyright 2024, GreenSock. All rights reserved. Used under the GSAP Standard License, https://gsap.com/standard-license; it ships with its own license header Satoshi (font) - Copyright 2017-2021 Indian Type Foundry. All rights reserved. Satoshi is a trademark of the Indian Type Foundry. Used under the ITF Free Font License, https://fontshare.com/terms Microsoft Edge WebView2 interop and .NET runtime libraries - Microsoft Corporation - redistributed under Microsoft's redistribution terms Microsoft Visual C++ runtime - Microsoft Corporation - Visual C++ redistributable license PyInstaller bootloader - the PyInstaller development team - GPL 2.0 with the PyInstaller bootloader exception (the exception allows distributing programs built with it under their own terms)
Full license texts of the components above are available at the addresses named, and on request at support@ctlab.app.