licence · FSL-1.1-Apache-2.0
use it for anything except a competing product.
FSL-1.1-Apache-2.0 licensed; source release planned. each release converts to Apache 2.0 two years after it ships.
platform license
FSL-1.1-Apache-2.0
The Ivy Biosciences platform is licensed under the Functional Source License, Version 1.1, Apache 2.0 Future License (FSL-1.1-Apache-2.0). This license allows you to use, copy, modify, and redistribute the software for any purpose other than a Competing Use, and guarantees that the software will become available under Apache 2.0 after two years. The repositories are not public yet; a source release is planned.
what you can do
- Use the platform for research, academic work, and internal business purposes
- Modify and customize the code for your organization's needs
- Contribute improvements back to the community
- Build integrations and extensions
- Use in commercial settings (except competing products)
what's restricted
- Competing Use: You may not use the software to provide a commercial product or service that competes with Ivy Biosciences
- This restriction expires after two years, when the code converts to Apache 2.0
Change Date: Two years after each release, that version automatically converts to the Apache License, Version 2.0, giving you its full permissive rights.
licensing options
- research & academic
Free to use under FSL-1.1-Apache-2.0. Academic institutions, researchers, and students can use the full platform at no cost. We also offer enhanced support and resources for educational use.
free
- commercial use
Biotech startups, pharma companies, and CROs can use the platform for internal research under FSL-1.1-Apache-2.0. We offer a freemium model: 500 credits/month free, with paid tiers for higher usage. Which tools each tier reaches is listed in plans and tiers.
500 credits free
- enterprise
Compliance features (21 CFR Part 11, e-signatures, audit trails), SSO/SAML, white-label branding, and dedicated support are available under separate enterprise licensing agreements.
custom licensing
third-party components
Our platform integrates numerous open-source scientific tools, each with their own licenses. We acknowledge our debt to these projects and their maintainers:
- RDKit
- BSD-3
- Mol*
- MIT
- BioPython
- BSD-3
- ESMFold
- Apache 2.0
- DiffDock
- MIT
- OpenMM
- MIT
See our AI Models page for complete attribution and license information for each integrated tool.
questions about licensing?
Last updated: October 2026. The complete license text is at fsl.software; the repositories, and the LICENSE file in each, are not public yet.