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GoFlow Pro

Third-Party Licenses

This document lists the third-party components used in GoFlow Pro and their respective licenses.

Overview

GoFlow Pro uses FFmpeg for video processing, along with Apple’s native frameworks. This document provides licensing information for all third-party components.

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FFmpeg

About FFmpeg

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. GoFlow Pro uses FFmpeg for video merging and trimming operations.

– Website: https://ffmpeg.org

– Source Code: https://github.com/FFmpeg/FFmpeg

– Version: 7.x (bundled with app)

FFmpeg License

FFmpeg is licensed under the GNU Lesser General Public License (LGPL) version 2.1 or later, with some optional components under the GNU General Public License (GPL).

GoFlow Pro uses FFmpeg in a manner compliant with the LGPL:

– FFmpeg binaries are bundled separately (not statically linked)

– Source code is available at https://ffmpeg.org

– This notice is provided as required

LGPL 2.1 License Summary

“`

GNU LESSER GENERAL PUBLIC LICENSE

Version 2.1, February 1999

Copyright (C) 1991, 1999 Free Software Foundation, Inc.

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Everyone is permitted to copy and distribute verbatim copies

of this license document, but changing it is not allowed.

[This is the first released version of the Lesser GPL. It also counts

as the successor of the GNU Library Public License, version 2, hence

the version number 2.1.]

“`

The full LGPL 2.1 license text is available at:

https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html

FFmpeg Components Used

GoFlow Pro uses the following FFmpeg components:

– ffmpeg: Video/audio processing and merging

– ffprobe: Media file analysis and metadata extraction

Obtaining FFmpeg Source Code

The source code for FFmpeg can be obtained from:

– Official website: https://ffmpeg.org/download.html

– GitHub: https://github.com/FFmpeg/FFmpeg

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Apple Frameworks

The following Apple frameworks are used under Apple’s standard licensing terms:

SwiftUI

– Provider: Apple Inc.

– Purpose: User interface framework

– License: Apple SDK License Agreement

AVFoundation

– Provider: Apple Inc.

– Purpose: Video playback and metadata

– License: Apple SDK License Agreement

AVKit

– Provider: Apple Inc.

– Purpose: Video player interface

– License: Apple SDK License Agreement

StoreKit

– Provider: Apple Inc.

– Purpose: In-app purchases

– License: Apple SDK License Agreement

Foundation

– Provider: Apple Inc.

– Purpose: Core system functionality

– License: Apple SDK License Agreement

AppKit

– Provider: Apple Inc.

– Purpose: macOS application framework

– License: Apple SDK License Agreement

UniformTypeIdentifiers

– Provider: Apple Inc.

– Purpose: File type handling

– License: Apple SDK License Agreement

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Development Tools

Xcode

– Provider: Apple Inc.

– Purpose: Development environment

– License: Apple Developer Program License Agreement

Swift

– Provider: Apple Inc.

– Purpose: Programming language

– License: Apache License 2.0

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Swift License

Swift is licensed under the Apache License 2.0:

“`

Apache License

Version 2.0, January 2004

http://www.apache.org/licenses/

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“`

The full Apache 2.0 license is available at:

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

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Questions

For questions about licensing or third-party components:

– Email: support@artjunkie.co.jp

– Website: https://artjunkie.app

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Last Updated: December 24, 2025