Introduction
At Marginalia Labs, we respect your privacy and are committed to protecting your personal data. This privacy policy explains how we handle information related to BookCatalyst and our website.
Data Collection and Storage
BookCatalyst Desktop Application
Your writing is completely private. BookCatalyst is a desktop application that stores all your documents, projects, and content locally on your computer. We do not:
- Upload your documents to our servers
- Track what you write
- Collect your project data
- Monitor your usage patterns
- Require an account or login
What We Don't Collect
BookCatalyst does NOT collect or transmit:
- Your writing content
- Project files or metadata
- Usage statistics
- Analytics or telemetry data
- Crash reports (unless you manually submit them)
Website Data
When you visit marginalialabs.com, we may collect:
- Basic Analytics: Page views, browser type, and referring sites (via standard web server logs)
- Contact Information: If you email us, we store your email address and message content only to respond to your inquiry
Cookies
Our website uses minimal cookies for basic functionality. We do not use tracking cookies or third-party advertising cookies.
Data Security
Your Local Data
All BookCatalyst data is stored on your computer. You are responsible for:
- Backing up your projects
- Securing your computer with passwords
- Encrypting your hard drive if desired
Cloud Synchronization
If you choose to sync projects using third-party cloud services (Dropbox, OneDrive, etc.), your data is subject to their privacy policies. We recommend reading their terms before enabling sync.
Third-Party Services
BookCatalyst does not integrate with third-party analytics, advertising, or tracking services. The application works completely offline and does not require internet connectivity.
Updates and Licensing
When you purchase BookCatalyst, we collect:
- Payment information (processed securely by our payment processor)
- Email address (for license delivery and support)
- License key generation data
We do not store credit card information. All payment processing is handled by secure, PCI-compliant third-party processors.
Children's Privacy
BookCatalyst is not directed at children under 13. We do not knowingly collect personal information from children. If you believe we have inadvertently collected such information, please contact us immediately.
Data Retention
- Application Data: Stored locally on your device indefinitely (until you delete it)
- Support Emails: Retained for 2 years for support purposes
- Purchase Records: Retained for 7 years for tax and legal compliance
- Website Logs: Retained for 90 days
Your Rights
You have the right to:
- Access: Request a copy of any personal data we hold
- Rectification: Correct any inaccurate personal data
- Erasure: Request deletion of your personal data
- Portability: Receive your data in a structured, machine-readable format
- Object: Object to processing of your personal data
To exercise these rights, contact us at privacy@marginalialabs.com
International Data Transfers
Since BookCatalyst stores all data locally on your device, there are no international data transfers. Any personal information we collect through our website or support channels is processed in accordance with applicable data protection laws.
Open Source Components
BookCatalyst uses open-source libraries and components. These components do not collect or transmit user data. A complete list of third-party components and their licenses is available in the application's About dialog.
Changes to This Policy
We may update this privacy policy from time to time. We will notify you of significant changes by:
- Posting the new policy on this page
- Updating the "Last updated" date
- Sending an email to registered users (if applicable)
We encourage you to review this policy periodically.
GDPR Compliance
For users in the European Union, we comply with the General Data Protection Regulation (GDPR). Under GDPR, we:
- Process personal data lawfully, fairly, and transparently
- Collect data only for specified, explicit purposes
- Minimize data collection to what is necessary
- Keep personal data accurate and up to date
- Store data only as long as necessary
- Process data securely with appropriate measures
California Privacy Rights (CCPA)
For California residents, you have additional rights under the California Consumer Privacy Act (CCPA):
- Right to know what personal information is collected
- Right to know if personal information is sold or disclosed
- Right to opt-out of the sale of personal information
- Right to deletion of personal information
- Right to non-discrimination for exercising CCPA rights
Note: We do not sell personal information.
Contact Us
If you have questions or concerns about this privacy policy or our data practices, please contact us:
Email: privacy@marginalialabs.com
Mail: Marginalia Labs Privacy Department
[Address to be provided]
Summary
Bottom Line: BookCatalyst respects your privacy. Your writing stays on your computer. We don't collect, track, or analyze your work. We only collect minimal information necessary to provide support and process purchases.