License

License Information

Qrew License

Qrew is licensed under the GNU General Public License v3.0 or later (GPL-3.0-or-later).

What This Means

✅ You CAN:

• Use Qrew for any purpose (personal, commercial)
• Modify the source code
• Distribute copies
• Distribute modified versions

⚠️ You MUST:

• Include the license and copyright notice
• Disclose the source code of any distributed versions
• License modifications under GPL-3.0
• Document any changes made

❌ You CANNOT:

• Sublicense or relicense under different terms
• Hold the authors liable for damages
• Use authors' names for endorsement without permission

Full License Text

The complete GPL-3.0 license is available at: https://www.gnu.org/licenses/gpl-3.0.html

Dependencies

Qrew uses several open-source libraries:

Core Dependencies

• PyQt5: GPL v3 (compatible)
• NumPy: BSD License
• Pandas: BSD License
• VLC: LGPL v2.1

REW Integration

• Requires REW with API license
• REW is proprietary software by John Mulcahy
• API access requires REW Pro license

Binary Distribution

The binary releases of Qrew include:

• Qrew source code (GPL-3.0)
• Required dependencies
• No REW components

Copyright

Copyright © 2025 Juan Francisco Loya

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Contributing

By contributing to Qrew, you agree that your contributions will be licensed under GPL-3.0-or-later.

Commercial Use

Qrew can be used commercially, but:

• Any distributed modifications must be open source
• The GPL license must be maintained
• Source code must be available to users

For questions about licensing, please contact the development team.