7 Open Source Alternatives to LaunchDarkly

Unleash delivers a comprehensive feature flag management solution that streamlines software releases and minimizes operational risks. With an intuitive Admin Console, developers can manage rollouts, instantly rollback features if necessary, and meet stringent security requirements. The platform supports air-gapped and Fed Ramp environments, ensuring that no data leaves your infrastructure while maintaining high levels of compliance and control.

GrowthBook empowers teams to safely launch features and run comprehensive experiments with minimal disruption. The platform offers warehouse-native integrations with SQL databases and popular analytics tools, ensuring you work with data where it lives. Enjoy agile feature flagging, robust A/B testing supported by advanced statistical engines, and a no-code visual editor for rapid website updates. With daily open source releases and self-hosting options, it meets modern compliance standards including SOC II and GDPR.

Flagsmith streamlines feature management by allowing you to wrap code sections with toggles and adjust configurations remotely without deployments. It offers granular segmentation rules for staging rollouts and multivariate tests, integrating with numerous languages and frameworks. With flexible deployment options including SaaS, private cloud, and on-premises solutions, Flagsmith caters to diverse operational requirements.

Abby simplifies feature deployment complexity by providing type-safe feature flags, flexible remote configuration, and integrated A/B testing capabilities. Designed for modern tech stacks, it supports SSR and SSG out-of-the-box, offers multiple environments for safe testing, and includes robust devtools for on-the-fly debugging. Its open-source nature ensures transparency and the option for self-hosting, making it a reliable choice for engineering teams at startups and enterprises alike.

FeatBit offers a comprehensive solution to manage feature flags using .NET, allowing developers to deploy and test new features with precision. It supports real-time updates, offline mode, and extensive integrations such as Open APIs, webhooks, and single sign-on. Designed for scalability, it efficiently handles high traffic, making it ideal for both small and large enterprises seeking to innovate faster and ship code safely.

Featurevisor allows you to manage your features declaratively from your Git repository. It supports dynamic flag toggling, precise segmentation, gradual rollouts, and A/B testing. With integrations for popular languages, frameworks, and CI/CD tools, it delivers a cloud-native architecture that adapts to both production and staging environments.

Flipt streamlines feature flag management by allowing you to configure flags directly alongside your code. It leverages Git for declarative, version-controlled feature toggling and provides robust integration with popular SDKs and workflows. With built-in RBAC, SSO, and audit capabilities, Flipt ensures secure and efficient management of feature flags across local, CI, and production environments.