GO Feature Flag
Simple, complete and lightweight self-hosted feature flag solution, 100% open source. OpenFeature-native with 15+ language SDKs via relay proxy.
Our Verdict
One of the better OSS self-hosted flag options if you want OpenFeature compatibility without SaaS lock-in.
Pros
- Self-hosted, 100% open source with generous features
- OpenFeature-native with 15+ language SDKs
- Flexible rules and rollout strategies
- Relay proxy simplifies multi-language setups
Cons
- Config and ops are your responsibility
- UI less slick than SaaS alternatives
- Experimentation features are basic
- Scaling story needs planning at high QPS
When to Use GO Feature Flag
Good fit if you need
- Self-hosted feature flags with 15+ language SDKs
- OpenFeature-native evaluation via relay proxy
- Flag definitions stored in Git, S3, or HTTP endpoints
- Zero-latency local evaluation without remote calls
Pricing
Price wrong?GO Feature Flag Pricing
- Pricing Model
- free
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Project Health
Health Score
5
today
7d
35
N/A
MIT
Last checked: 2026-04-21
Lock-in Assessment
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