Free and Open Source Components
The majority of Flipt v2 remains free and open source, including:- Core feature flag evaluation engine
- Dashboard and UI
- Multi-environment support
- Branch environments
- Git-backed storage and sync
- Authentication mechanisms
- Real-time client updates
Feature Comparison: Free vs Pro
Feature Category | Free | Pro | Notes |
---|---|---|---|
Core Functionality | |||
Feature flag evaluation engine | β | β | Full functionality in both |
Dashboard and UI | β | β | Complete interface |
Multi-environment support | β | β | Unlimited environments |
Branch environments | β | β | Git-based branching |
Git-backed storage and sync | β | β | Full Git integration |
Authentication mechanisms | β | β | OIDC, token-based |
Real-time client updates | β | β | Server Sent Events (SSE) support |
Advanced Workflows | |||
Enterprise DevOps Integration | β | β | GitHub, GitLab, Bitbucket, Azure DevOps, Gitea |
Merge proposals with SCM | β | β | Automated PR/MR creation |
GPG commit signing | β | β | Cryptographic verification |
Security & Operations | |||
Integrated secrets management | β | β | HashiCorp Vault integration with secrets references. AWS Secrets Manager, GCP Secret Manager, Azure Key Vault support coming soon |
Air-gapped environment support | β | β | Offline license validation |
Enterprise authentication providers | β | π | Coming soon |
Advanced analytics and reporting | β | π | Coming soon |
Support | |||
Community support | β | β | Discord, GitHub issues |
Dedicated support channel | β | β | Direct Slack access |
Priority bug fixes | β | β | Faster resolution |
Priority feature requests | β | β | Influence roadmap |
Pro Licensing
Pro features are protected by license key validation and cannot be accessed without a valid license. For detailed information about Pro features and purchasing options, see our Flipt Pro page.SDK and Integration Licensing
All Flipt SDKs and client libraries remain MIT licensed, ensuring that:- Your application code using Flipt SDKs has no licensing restrictions
- You can integrate Flipt into commercial applications freely
- There are no licensing concerns for end-user applications
- All language-specific SDKs (Go, Python, Node.js, etc.)
- OpenFeature providers
- Integration libraries and tools
Fair Core License
Flipt v2 is licensed under the Fair Core License (FCL). The Fair Core License is a Fair Source license specifically designed for self-hosted software that balances developer sustainability with user freedom. Itβs a mostly-permissive non-compete license that eventually transitions to Open Source after 2 years.What the FCL Allows
Under the Fair Core License, you can:- Read, use, modify, and redistribute the Flipt source code
- Use Flipt for any purpose that doesnβt compete with Fliptβs business interests
- Self-host and deploy Flipt in your infrastructure
- Modify the code to suit your needs
What the FCL Restricts
The FCL restricts competing uses, which means you cannot:- Create a competing cloud or SaaS offering using Flipt
- Offer Flipt as a managed service to third parties
- Remove or circumvent license checks for commercial features
Transition to Open Source
After 2 years from each software versionβs release, that version automatically becomes available under an Open Source license (MIT), ensuring long-term access and community benefit.Why We Chose the Fair Core License
The Fair Core License allows us to:- Share our entire codebase in a single repository under a single license
- Maintain sustainable development while keeping core functionality free
- Ensure all features eventually become Open Source
- Protect our ability to offer commercial services while respecting user freedom
Important Restrictions
License Compliance
When using Flipt v2, you must not:- Remove or modify license checks in the source code
- Attempt to circumvent license protection mechanisms
- Distribute modified versions that bypass commercial feature restrictions
- Use Flipt to create competing feature flag services
Commercial Use Guidelines
For most users and organizations, Flipt v2 can be used freely in commercial environments. The restrictions primarily apply to companies wanting to compete directly with Fliptβs business model.Questions?
If you have questions about licensing or whether your use case requires a commercial license, please:- Review the Fair Core License FAQ
- Contact us at support@flipt.io
- Open a discussion on our GitHub repository