Helios Lab

Licensing Information

Last updated: June 30, 2025

1. Software License

Helios Lab is licensed under the Business Source License 1.1 (BUSL-1.1). The Business Source License is not an Open Source license, but it provides many of the same freedoms while allowing us to sustain development of our products.

2. License Summary

The BUSL-1.1 license provides the following rights:

  • You can use, modify, and distribute the software for any non-production purpose.
  • For production use, a commercial license is required.
  • After a specified period (usually 3-4 years), the version becomes available under an open source license like Apache 2.0.

3. Commercial Licensing

For commercial use of Helios Lab, we offer several license options:

  • Professional License: For individuals and small teams
  • Enterprise License: For larger organizations with advanced needs
  • Educational License: Special pricing for academic institutions

Please visit our pricing page for more information on commercial licenses.

4. Third-Party Software

Helios Lab includes third-party open source software components. Each of these software components has its own license. Please refer to the project repository for a complete list of these components and their respective licenses.

5. Contact Us

If you have any questions about licensing, please contact us at licenses@helioslab.io.

License Text

Business Source License 1.1

Parameters

Licensor:             Helios Lab
Licensed Work:        Helios Lab Platform
                      The Licensed Work is (c) 2025 Helios Lab

Additional Use Grant: You may make use of the Licensed Work, provided that you do
                      not use the Licensed Work for a Rocket Design Service.

                      A "Rocket Design Service" is a commercial offering
                      that allows third parties (other than your employees and
                      contractors) to access the functionality of the Licensed
                      Work so that such third parties directly benefit from the
                      propulsion simulation or optimization features of the
                      Licensed Work.

Change Date:          2029-06-30

Change License:       Apache License, Version 2.0