7 Best Open Source Bucket Alternatives
A curated collection of the 7 best open source and self-hosted alternatives to Bucket in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Bucket in 2026? The top open-source alternative is Unleash — A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery..
Other highly rated open-source Bucket alternatives include GrowthBook, Flagsmith and Flipt.
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
Powerful feature management platform for seamless software releases, A/B testing, and personalized user experiences.
A feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.
A feature flag platform that integrates with Git workflows, enabling developers to manage features directly in their codebase.
FeatBit is a fast, scalable feature flag service that enables risk mitigation and fosters business growth through controlled feature releases.
FeatBit is a fast, scalable feature flag service that enables risk mitigation and fosters business growth through controlled feature releases.
Featurevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.
Featurevisor is an open-source tool for managing feature flags, experiments, and remote configuration directly from your Git repository.
Open-source feature flags, remote config, and A/B testing for developers
Abby is an open-source platform designed to help developers manage feature flags, remote configurations, and A/B tests with ease. It provides a simple yet powerful way to control feature rollouts, experiment with different configurations, and optimize applications without redeploying code. - Feature Flags: Toggle features on/off dynamically without redeploying your application. - Remote Config: Adjust application behavior in real-time by modifying configurations remotely. - A/B Testing: Run experiments to compare different versions of features and determine the best-performing variant. - Developer-Friendly: Built with developers in mind, offering seamless integration with modern tech stacks. - Self-Hostable: Deploy Abby on your own infrastructure for full control over data and privacy. - Open Source: Free to use, modify, and contribute to under an open-source license. Abby is designed to be self-hosted, allowing you to run it on your own servers or cloud infrastructure. It supports modern deployment practices and can be integrated into CI/CD pipelines for automated feature management. The platform is built with a focus on simplicity, scalability, and developer experience.
About Bucket
B2B engineers deserve better feature flags. Bucket is focusing on what you need to build and release better features in B2B SaaS.