Summary

KeyFinder is an open-source key estimation software designed primarily for DJs interested in harmonic and tonal mixing. It focuses on fast, efficient key detection without additional features such as library management or media playback.

Features

• Accurate key estimation algorithm comparable to paid alternatives
• Open-source under GPL version 3 license
• No library management, track suggestions, or media player included
• Available on multiple platforms including Windows, Linux, and macOS
• Integration with Mixxx DJ software on Windows and Linux
• App Store version uses analytics and crash reporting with no advertising or IDFA tracking

Background and Development

Developed in 2011 as part of the creator's MSc in Computer Science, the underlying algorithms and design are detailed in a project report available for download. The project is supported by publicly available source code and datasets on GitHub and the author's website.

Community and Support

Users can contribute to localization efforts through Transifex. Contact options and frequently asked questions are provided on GitHub, alongside detailed documentation and older software versions.