ConfigCat.com is a feature flag and configuration management service with a free plan and unlimited team sizes. It integrates with your apps, backends, websites, and other programs. The ConfigCat website enables you to switch ON/OFF application features or change software configuration in your applications without (re)deploying them. ConfigCat SDKs enable easy integration with any web, mobile or backend applications. The Webhooks API allows you to build your own integrations that subscribe to changes in ConfigCat.