Helm
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Using Helm

Terms of Service

These terms describe the conditions that apply when you install or use the Helm macOS application.

Effective November 11, 2026Applies to the Helm macOS application
On this pageAcceptanceThe applicationLicenseAccounts and permissionsAcceptable useThird-party servicesAvailabilityDisclaimersLiabilityTerminationChangesContact

1. Acceptance of these terms

By installing or using Helm, you agree to these Terms of Service and the Privacy Policy. If you do not agree, do not use the application.

2. The Helm application

Helm is a native macOS calendar application that connects to Google Calendar accounts authorized by the user. It displays calendars and events, supports selected event-management actions, and provides local reminder features. Some advanced actions may open Google Calendar or another application.

Helm is not affiliated with or endorsed by Google LLC or Apple Inc. Google Calendar, macOS, and related names and marks belong to their respective owners.

3. License

Subject to these terms, you are granted a limited, revocable, non-exclusive, non-transferable license to install and use Helm for personal or internal business purposes. This license does not transfer ownership of Helm or its branding.

4. Accounts and permissions

You are responsible for the Google accounts you connect, the permissions you grant, and activity performed through Helm at your direction. You must have authority to access and modify every connected calendar. Keep your Mac and Google account credentials secure and promptly revoke access if you believe a connection has been compromised.

Changes made through Helm can modify or delete information in Google Calendar and may cause Google to notify event guests. Review event details before confirming an action.

5. Acceptable use

You may not use Helm to violate applicable law, infringe another person's rights, interfere with Google services, probe or circumvent security controls, distribute malware, or access accounts or calendars without authorization.

6. Third-party services

Helm depends on services and software controlled by third parties, including Google Calendar APIs, Google authorization services, macOS, Keychain, notifications, browsers, and conferencing applications. Their terms and privacy policies apply independently. Changes, outages, access restrictions, or account policies imposed by those providers can affect Helm.

7. Availability and changes

Helm may be modified, suspended, or discontinued at any time. Features may change as Google APIs and macOS evolve. There is no guarantee that Helm will be available without interruption or remain compatible with every account, calendar, operating-system version, or third-party service.

8. Disclaimers

To the maximum extent permitted by law, Helm is provided “as is” and “as available,” without warranties of merchantability, fitness for a particular purpose, non-infringement, accuracy, reliability, or uninterrupted operation.

Calendar information and reminders should not be used as the sole basis for emergency, medical, safety-critical, financial, or other high-consequence decisions. macOS ultimately controls notification delivery and presentation.

9. Limitation of liability

To the maximum extent permitted by law, the Helm developer will not be liable for indirect, incidental, special, consequential, exemplary, or punitive damages, or for lost data, missed meetings, missed notifications, account restrictions, service interruptions, or lost profits arising from use of or inability to use Helm.

10. Termination

You may stop using Helm at any time by removing connected accounts, revoking Google access, and uninstalling the application. Your permission to use Helm ends automatically if you materially violate these terms.

11. Changes to these terms

These terms may be updated to reflect changes in Helm, third-party requirements, or applicable law. The effective date at the top of this page will be updated when revised terms are published. Continued use after an update constitutes acceptance where permitted by law.

12. Contact

Questions about these terms may be submitted through the Helm support page.

Helm

A quiet, local-first Google Calendar companion for macOS.

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