Last updated: March 21, 2026
Byblos is open-source voice-to-text software licensed under the MIT License. The source code is freely available at github.com/jb1999/byblos.
Personal use: Byblos is free for personal, non-commercial use with no restrictions. All features are available.
Commercial use: If you use Byblos for work, at a company, or to generate revenue, a commercial license is required ($49/user/year). This is enforced on the honor system — we trust our users.
"Commercial use" includes use by employees, contractors, or freelancers during paid work, use within a business or organization, and use to produce work product that generates revenue.
Byblos runs entirely on your device. You are responsible for:
The software is provided "as is", without warranty of any kind, express or implied. See the full MIT License for details.
Byblos uses open-source speech recognition models that may produce inaccurate transcriptions. Do not rely on Byblos for critical, legal, or medical transcription without manual review.
The AI agent features (screen reading, file search, AppleScript execution) require explicit user activation and appropriate macOS permissions. Byblos will not execute destructive system commands. You are responsible for reviewing agent actions and their results.
These terms may be updated. Significant changes will be noted in release notes on GitHub.
Questions? Email support@byblos.im or open an issue on GitHub.