Flagsmith

What it does

Release features with confidence; manage feature flags across web, mobile, and server side applications. Use our hosted API, deploy to your own private cloud, or run on-premises

• FO
  Flagsmith – open-source feature flag and remote config service2021 · github.com · ▲23
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  Flags SDK by Vercel2025 · ▲435

  Free, open-source library for using feature flags in Next.js

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  Bucket Flags2024 · ▲239

  Feature flagging that's purpose-built for B2B

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  Flipt Cloud2024 · ▲165

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  Vercel FlagsApr 2026 · ▲207

  Feature flags, targeting rules, rollouts. All from Vercel.

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  Bucket DX2025 · ▲294

  Feature flags to go fast with CLI, Toolbar, Event log & more

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• IW
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  Life & fun · 2021 · github.com

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  How to build an audience-driven business

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