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
Best for: Platform teams standardizing on OpenFeature with self-hosting
Not for: Teams that need a polished no-code flag dashboard
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
Lock-in Assessment
Low 5/5
Lock-in Score 5/5
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
1,000
1001K10K100K1M
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
B
Health Score
901 111
Bus Factor
10
Last Commit
today
Release Freq
2d
Open Issues
127
Issue Response
4d
License
Apache-2.0
Last checked: 2026-04-21
Community Discussion
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