Featureflip

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Featureflip is a feature flag and release-management platform that lets engineering teams decouple deploy from release. Wrap any code path in a flag and control who sees it from a single dashboard, with no redeploy required. Core capabilities include percentage rollouts (ship to 1% of users, watch the metrics, then expand in steps), user and segment targeting with rule-based conditions, kill switches that disable a feature in production in seconds, flag prerequisites and dependencies, and multi-environment management per project. A/B testing is supported at the delivery layer, with sticky bucketing, variation serving, and exposure events you can pipe into your own analytics stack. Featureflip ships 13 official SDKs (JavaScript/TypeScript, Node, React, Browser, Python, C#, Java, Go, PHP, Ruby, Swift, Flutter, and Android) backed by a dedicated high-performance evaluation service. Flag changes stream to connected clients in real time over Server-Sent Events, so updates take effect without polling delays. Pricing is flat and team-based rather than per-seat or per-MAU: a free-forever Solo plan, Pro from $49/month, and Business from $149/month with audit logs and SSO. Evaluations are unlimited on every plan. Featureflip is built and operated by Canopy Labs LLC.