Apache 2.0 License

Apache 2.0 with Reloop Labs terms—use our hosted email service or self-host the open-source platform.

Full license text

Copyright (c) 2025 Reloop Labs

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

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ADDITIONAL USE RESTRICTIONS (Custom Clause by Reloop Labs)
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1. You are free to use, copy, modify, and distribute this software for
   personal use and internal company purposes.

2. You are NOT permitted to:
   - Sell, sublicense, or otherwise commercially redistribute this software.
   - Offer this software, or any modified version of it, as a hosted service
     (including but not limited to Software-as-a-Service, Platform-as-a-Service,
     or any similar commercial hosting model).
   - Use this software in any product or service whose primary purpose is to
     compete with Reloop Labs.

3. Reloop Labs offers Reloop as a hosted email service, or you may
   self-host the open-source software on your own infrastructure.
   There is no commercial license for third parties to resell or
   offer competing hosted services using this software.

   For questions about the license or project, contact:
   reloop.sh@gmail.com

Usage terms

What you can
& cannot do.

Apache 2.0 with additional terms from Reloop Labs. Use our hosted email service or self-host the open-source platform—free for personal and internal use under the license.

Third parties may not resell or offer competing hosted services. Use Reloop hosted or self-host on your own infrastructure.

Questions? reloop.sh@gmail.com

Personal use

Use, copy, modify, and distribute Reloop for personal projects.

Internal company use

Deploy Reloop inside your organization for internal email infrastructure.

No commercial redistribution

You may not sell, sublicense, or commercially redistribute the software.

No competing hosted services

You may not offer Reloop—or a modified version—as a commercial SaaS, PaaS, or similar hosted service, or to compete with Reloop Labs.

FAQ

Question & Answer

Yes. Reloop Labs offers a hosted email service with the same capabilities as the self-hosted platform—transactional email, campaigns, SMTP, templates, webhooks, and more.

Yes. Use our hosted service or deploy Reloop on your own infrastructure for internal company email—both are permitted under the license for personal and internal use.

Not as a third-party commercial SaaS. Reloop Labs operates the official hosted service. You may not sell, sublicense, or offer Reloop—or a modified version—as a competing commercial hosted email service (SaaS, PaaS, or similar).

No. You may not sell, sublicense, or otherwise commercially redistribute the software.

Yes, for personal or internal company use when self-hosted. If you distribute a modified version, you must comply with Apache 2.0 and the additional use restrictions.

Sign up for our hosted service, or deploy the open-source platform on your own infrastructure—see our self-hosting guide for setup instructions.

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