ConfigCat

Serving over 200 billion feature flags daily to help software teams build better software, faster. LaunchDarkly helps eliminate risk for developers and operations teams from the software development cycle.

Feature flags as a service for data-driven teams: Split automatically tracks changes to key metrics during every feature rollout. Split serves billions of impressions, helping organizations of all sizes to rapidly turn ideas into products.

It is a simple feature management system. It gives you great overview of all feature toggles across all your applications. You decide who is exposed to which feature.

Airship is a modern product flagging framework that gives the right people total control over what your customers see & experience - without deploying code.

It lets you manage features flags and remote config across web, mobile and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premises.

Advanced feature flag solution that lets your dev teams quickly build & deploy applications without compromising on safety. A simple way to define target audiences allows devs & PMs optimize feature releases and customize user experience

Open-source Go microservice supports feature flagging, A/B testing, and dynamic configuration. Logs data records and impressions.

It is an experimentation and feature flagging platform for websites, mobile apps, chatbots, APIs, smart devices, and anything else with a network connection. You can deploy code behind feature flags, experiment with A/B tests, and rollout or rollback features immediately. All of this functionality is available with zero performance impact via easy-to-use SDKs.

Manage feature flags across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.

It is an implementation of Feature Toggle pattern : Enable and disable features or your applications at runtime thanks to dedicated web console, REST API, JMX or even CLI. It handle also properties and provide generic interfaces.

It is unlimited free feature flags and rollouts built on an enterprise-grade platform. Manage your features remotely and roll them out gradually to targeted audiences, without re-deploying your code. Connect Rollouts with Jira and invite your product and engineering teams to work together.

It helps modern product engineering teams release code faster and safer. It is a new vision for feature flags that goes beyond risk reduction and enables dev teams to maximize feature impact, with a focus on usability and key integrations from day 1.

Flagship.io is a feature flagging platform for modern engineering and product teams that eliminates the risks of future releases by separating code deployments from these releases.

It is a Feature-Flagging tool where tech people can empower non-tech teams to make controlled changes on their own.

Open source, holistic experiment system, that covers the lifecycle of product experimenting including A/B tests and feature toggles.

An open-source, self hosted feature flag solution that allows you to run experiments across services in your environment.

It is a simple, complete, and lightweight feature flag solution that is 100% open-source. The solution has been built to start experiencing the usage of feature flags in your code without having to contract with any vendor.

It is a solution for managing your feature flags, experiments, and remote config. It's built for developers, by developers. It introduces a workflow that's fully git-based, where configuration is stored as YAMLs, and changes are reviewed and merged via pull requests.

It is a library that supports you when you want to introduce feature switches/toggles in your code. It also provides multi-tenancy support.