Abby

Open-source, fully typed feature flags and remote config for React and Next.js.

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An open-source feature-flagging and remote-configuration platform for React and Next.js, Abby provides fully typed SDKs optimized for server-side and static rendering and is aimed at frontend developers and product engineering teams. It helps teams run A/B tests, guard releases with type-safe flags and multi-environment checks, debug flag behavior with contextual devtools, and self-host configuration with anonymized data and built-in fallbacks to reduce downtime.

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