DevOps
Feature Flag Management
Tools for creating, managing, and serving feature flags and feature toggles for applications.
Best Feature Flag Management tools by public signals
These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.
Use Case Rankings
Ordered by ToolVitals score, then health, shipping, confidence, GitHub stars, and name.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | Flagsmith Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com. | 97 | 96 | OSI-approved OSS | 6.6k | 96 | Active |
| 02 | Unleash Open-source feature management platform | 96 | 95 | OSI-approved OSS | 13.9k | 96 | Active |
| 03 | GrowthBook Open Source Feature Flags, Experimentation, and Product Analytics | 96 | 94 | OSI-approved OSS | 8.5k | 95 | Active |
| 04 | Go Feature Flag GO Feature Flag is a simple, complete and lightweight self-hosted feature flag solution 100% Open Source. 🎛️ | 95 | 95 | OSI-approved OSS | 2.1k | 95 | Active |
| 05 | Flipt Enterprise-ready, Git native feature management solution | 95 | 93 | OSI-approved OSS | 4.9k | 95 | Active |
| 06 | FeatBit Enterprise-grade feature flag platform that you can self-host. Get started - free. | 91 | 88 | OSI-approved OSS | 1.9k | 90 | Active |
| 07 | Flipper Open-source feature flag management library and UI for Ruby applications. | 88 | 84 | OSI-approved OSS | 4k | 87 | Active |
| 08 | Featurevisor Feature flag, experimentation, and remote configuration management with version control. | 75 | 70 | OSI-approved OSS | 814 | 73 | Warning |
| 09 | ConfigDN Globally distributed toggleable feature flags. | 43 | 31 | OSI-approved OSS | 2 | 39 | Critical |
| 10 | Rollout.io Remote config and feature flag management system for runtime behavior changes. | 13 | 3 | OSI-approved OSS | 23 | 9 | Critical |
Not Scored
Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.
Config Hub
Open source feature flag and remote configuration platform.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Divisor
Open-source edge-first A/B testing and feature flag platform.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.FlagFrog
Open source feature flagging platform.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Gatekeeper
Full-stack feature flag platform with dashboard and TypeScript SDK.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Hypertune
Hypertune is a tool tracked for feature flag management signals, maintenance activity, and public release evidence.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.