ANTLR4+ End User License Agreement

Last Updated: January 14, 2026

This End User License Agreement ("Agreement") is a legal agreement between you ("User" or "You") and Antoni Tremblay ("Developer") for the use of the ANTLR4+ plugin ("Plugin"). By installing or using the Plugin, you agree to be bound by the terms of this Agreement.

IMPORTANT: JetBrains s.r.o. ("JetBrains") is not a party to this Agreement. This Agreement is solely between You and the Developer.

1. Definitions

"Confirmation" means an email from JetBrains confirming your rights to use the Plugin and containing information about your license or subscription.

"Developer" means Antoni Tremblay, the creator and licensor of the Plugin.

"Fallback Date" means the date twelve (12) months prior to the date your Subscription expired.

"Fallback Version" means the most recent Plugin version that the Developer made available for public purchase prior to the Fallback Date, along with any bug-fix updates for that version.

"JetBrains" means JetBrains s.r.o., which operates the JetBrains Marketplace.

"Plugin" means the ANTLR4+ software plugin distributed via JetBrains Marketplace.

"Subscription" means your right to use the Plugin during a Subscription Period.

"Subscription Period" means the period during which you are entitled to use the Plugin, as specified in your Confirmation.

2. Grant of License

Subject to payment of applicable fees and compliance with this Agreement, the Developer grants you a limited, non-exclusive, non-transferable license to:

• Install the Plugin on any number of devices
• Use the Plugin subject to the limits described in your Confirmation
• Make backup copies of the Plugin for archival purposes

3. Restrictions

Unless the Developer provides written permission, you may not:

• Modify, translate, adapt, or create derivative works based on the Plugin
• Reverse-engineer, decompile, disassemble, or attempt to derive the source code of the Plugin
• Redistribute, sublicense, rent, lease, lend, or transfer the Plugin to any third party
• Remove or alter any proprietary notices, labels, or marks on the Plugin
• Use the Plugin to develop a competing product

4. Subscription and Fallback License

If you purchase a Subscription:

• Your license is valid for the Subscription Period specified in your Confirmation
• Upon Subscription expiration, you retain a perpetual, non-exclusive license to use the Fallback Version, provided that you have paid the applicable Subscription fees for at least the preceding 12 months in full and without interruptions.
• The Fallback Version license does not include access to updates released after the Fallback Date (except bug-fix updates to the Fallback Version)

5. Intellectual Property

The Plugin is protected by copyright and other intellectual property laws. The Developer retains all right, title, and interest in and to the Plugin, including all copyrights, patents, trade secrets, trademarks, and other intellectual property rights. This Agreement does not transfer ownership of the Plugin to you.

6. Privacy and Data Collection

The Plugin does not collect, store, or transmit any personal data, telemetry, or usage information.

The Plugin may connect to third-party services (such as Maven Central) solely to download dependencies required for Plugin functionality. These connections are initiated only when you explicitly use features requiring external artifacts. The Developer has no access to or control over data exchanged with these third-party services.

7. Disclaimer of Warranties

ALL PLUGINS ARE PROVIDED TO YOU ON AN "AS-IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTIES. YOUR USE OF PLUGINS IS AT YOUR OWN RISK.

THE DEVELOPER PROVIDES NO WARRANTY AS TO THE PLUGIN'S USE OR PERFORMANCE. THE DEVELOPER DISCLAIMS ALL WARRANTIES AND CONDITIONS, WHETHER EXPRESS, IMPLIED, OR STATUTORY, INCLUDING BUT NOT LIMITED TO:

• IMPLIED WARRANTIES OF MERCHANTABILITY
• FITNESS FOR A PARTICULAR PURPOSE
• TITLE AND NON-INFRINGEMENT
• ACCURACY OR RELIABILITY OF RESULTS
• QUIET ENJOYMENT

The Developer does not warrant that the Plugin will meet your requirements, operate without interruption, or be error-free, virus-free, or secure.

8. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW:

• In no event will the Developer be liable for any indirect, incidental, special, consequential, or punitive damages, or damages for loss of profits, revenue, data, business opportunities, or goodwill, arising out of or in connection with this Agreement or the use of the Plugin
• The Developer's total aggregate liability under this Agreement shall not exceed the fees actually paid by you for the Plugin during the three (3) months immediately preceding the claim
• JetBrains has no liability whatsoever in connection with this Agreement or the Plugin

9. Termination

This Agreement is effective until terminated. This Agreement terminates automatically if you breach any of its terms. Upon termination, you must cease all use of the Plugin and destroy all copies in your possession. Sections 5, 7, 8, and 10 shall survive termination of this Agreement.

10. Governing Law

This Agreement shall be governed by and construed in accordance with the laws of Canada, Province of Quebec, without regard to conflict of law principles. Any disputes arising under this Agreement shall be resolved exclusively in the courts of Quebec, Canada, and you consent to the personal jurisdiction of such courts.

11. Entire Agreement

This Agreement constitutes the entire agreement between you and the Developer regarding the Plugin and supersedes all prior or contemporaneous agreements, representations, warranties, and understandings. No amendment or modification of this Agreement shall be binding unless in writing and signed by the Developer.

12. Contact

For questions about this Agreement, contact: i00@tutanota.com

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By installing or using the Plugin, you acknowledge that you have read this Agreement, understand it, and agree to be bound by its terms and conditions.