Open-source feature flag and remote config platform with flexible deployment options and multivariate flag support.
Flagsmith is an open-source feature flag and remote configuration service that enables teams to manage feature rollouts, A/B tests, and application configuration across web, mobile, and server-side applications. The platform offers both cloud-hosted and self-hosted deployment options, with the full source code available on GitHub.
Flagsmith supports standard boolean feature flags as well as multivariate flags and remote configuration values, making it useful for both feature toggling and runtime configuration management. The platform includes built-in identity management for user-level targeting, segment definitions for group-based rollouts, and audit logs for compliance.
With a straightforward API and SDKs for major platforms, Flagsmith is designed to be easy to integrate and operate. The platform is a good choice for teams that want the transparency and flexibility of open source with the option to use a managed cloud service for reduced operational overhead.
Enterprise feature management platform with advanced targeting, experimentation, and real-time flag evaluation for controlled rollouts.
Data-driven feature flag and experimentation platform that automatically measures the impact of every feature on key metrics.
Open-source feature flagging and A/B testing platform with warehouse-native analytics and flexible self-hosted or cloud deployment.
Cross-platform feature flag service with flat usage-based pricing, unlimited team members, and a generous forever-free plan.