compare
flagd vs GO Feature Flag
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | flagd | GO Feature Flag |
|---|---|---|
| Language | Go | Go |
| Licence | Apache-2.0 | MIT |
| Stars | 1k | 2.1k |
| Latest | core/v0.18.0 | v1.56.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 1 day between releases | about 14 days between releases |
| Active contributors | 16 commit authors on the default branch in the last 90 days | 6+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace LaunchDarkly. Alternatives to LaunchDarkly →
PartialflagdEvaluates flags from files, HTTP or Kubernetes resources for OpenFeature SDKs, with no management UI.
PartialGO Feature FlagFlags kept in a file you host and served through OpenFeature providers, with rollouts and targeting.
flagd
- core/v0.18.02026-09-25core: v0.18.0
- flagd-proxy/v0.9.102026-09-25flagd-proxy: v0.9.10
- flagd/v0.17.02026-09-25flagd: v0.17.0
- core/v0.17.02026-09-10core: v0.17.0
- flagd-proxy/v0.9.92026-09-10flagd-proxy: v0.9.9
GO Feature Flag
- v1.56.02026-10-02relayproxy: the experimental SSE endpoint no longer sends the flag diff, clients must re-fetch their evaluations when n…
- v1.55.32026-09-08deps: bump thrift, x/crypto and x/mod to clear ArtifactHub CVEs (#6003) (b597016)
- openfeature/providers/python-provider/v1.3.02026-09-01openfeature/providers/python-provider: v1.3.0
- v1.55.22026-08-18data-exporter: avoid copying EventStore with embedded sync.RWMutex (#5676) (100066d)
- cmd/wasm/v0.2.42026-08-03cmd/wasm: v0.2.4
flagd
✓ signed The latest release, core/v0.18.0, carries a signature GitHub verified.
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GO Feature Flag
✓ signed The latest release, v1.56.0, carries a signature GitHub verified.
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