Flagr vs Optimizely Rollouts: What are the differences?

### Key Differences between Flagr and Optimizely Rollouts
Flagr and Optimizely Rollouts are both feature flag management and A/B testing tools but have some key differences that set them apart. Here are the main differences between the two platforms:

1. **Sign-up and Cost**: Flagr is open-source software that can be self-hosted for free, while Optimizely Rollouts is a paid service with different pricing plans depending on the scale and features required.
2. **Integration and Compatibility**: Flagr is designed to support various integrations and can be easily integrated into existing systems using APIs, whereas Optimizely Rollouts may offer more robust integration options with specific platforms or services.
3. **Flexibility and Customization**: Flagr provides more flexibility and customization options for creating experiments and feature flags compared to Optimizely Rollouts, which may have more structured templates and predefined settings.
4. **Team Collaboration**: Flagr may offer better team collaboration features such as user roles and permissions, making it easier to manage access and control within the platform, while Optimizely Rollouts may have more basic collaboration capabilities.
5. **Advanced Testing Capabilities**: Optimizely Rollouts may have more advanced testing capabilities and analytics tools for monitoring and optimizing experiments, while Flagr might cater more towards simple feature flagging and basic A/B testing needs.
6. **Community Support and Updates**: Flagr being an open-source project may have more active community support for issue resolution and regular updates, while Optimizely Rollouts may rely more on its in-house team for maintenance and support.

In Summary, Flagr offers free, open-source self-hosted feature flag management with enhanced flexibility and customization options, whereas Optimizely Rollouts is a paid service with potentially more advanced testing capabilities and integration options.