flagd
Feature flag daemon with a Unix philosophy. Reference OpenFeature-compliant backend supporting HTTP/gRPC evaluation, targeting rules and OpenTelemetry tracing.
Our Verdict
Solid default flag daemon if youre already committing to OpenFeature; not a turnkey product.
Pros
- Reference OpenFeature backend with clean Unix design
- HTTP and gRPC evaluation, flexible targeting
- OpenTelemetry tracing out of the box
- Easy to self-host as a daemon
Cons
- Minimal UI; configuration is file-driven
- Not a product; you build dashboards yourself
- Smaller feature set than mature SaaS flag tools
- Operational ownership sits with you
When to Use flagd
Good fit if you need
- OpenFeature-compliant feature flag evaluation daemon
- gRPC and HTTP flag evaluation for polyglot services
- Targeting rules evaluated locally without remote latency
- OpenTelemetry tracing of every flag evaluation
Pricing
Price wrong?flagd 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
10
today
2d
127
4d
Apache-2.0
Last checked: 2026-04-21
Lock-in Assessment
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