flagd ☆
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Description:
Feature flag daemon with a Unix philosophy
Type: Formula  |  Latest Version: 0.13.0@0  |  Tracked Since: Dec 24, 2025
Links: Homepage  |  GitHub  |  Docs  |  formulae.brew.sh
Stars: 837  |  Forks: 97  |  Language: Go  |  Category: Developer tools
Tags: feature-flags openfeature devops developer-tools golang
Install: brew install flagd
About:
flagd is a feature flag daemon that provides a unified API for evaluating feature flags across various providers. It implements the OpenFeature specification, enabling consistent and vendor-agnostic feature management for cloud-native applications. The tool is designed to be lightweight and follows Unix philosophy principles.
Key Features:
  • OpenFeature-compliant implementation
  • Pluggable provider architecture (files, Kubernetes, etc.)
  • Multiple protocol support (gRPC, HTTP, JSON-RPC)
  • Declarative configuration via YAML/JSON
Use Cases:
  • Decoupling feature flag evaluation from application code
  • Centralizing feature flag management for microservices
  • Enabling progressive delivery and canary releases
Alternatives:
  • unleash – Unleash is a full-featured platform with a UI, while flagd focuses on being a lightweight, API-first daemon
  • launchdarkly – LaunchDarkly is a commercial SaaS platform, while flagd is an open-source alternative
Version History
Detected Version Rev Change Commit
Dec 25, 2025 5:34pm 0.13.0 0 VERSION_BUMP e7bdef46
Dec 24, 2025 5:03am 0.12.9 0 VERSION_BUMP c37ff288
Oct 10, 2025 1:08pm 0 VERSION_BUMP b630de46
Sep 13, 2025 6:38pm 0 VERSION_BUMP e7b9d504
Jan 16, 2025 11:13am 0 VERSION_BUMP 8a133649
Dec 18, 2024 11:06am 0 VERSION_BUMP 5255df58
Oct 28, 2024 3:45pm 0 VERSION_BUMP 576ae946
Sep 13, 2024 5:38am 0 VERSION_BUMP b47eedc5
Jul 8, 2024 3:34pm 0 VERSION_BUMP eab6eeda
Dec 21, 2023 10:49pm 0 VERSION_BUMP b54ef5fa
Nov 28, 2023 2:23pm 0 VERSION_BUMP 1f39bdcc
Nov 13, 2023 5:56pm 0 VERSION_BUMP ed96a798
Oct 12, 2023 4:37pm 0 VERSION_BUMP b8847fd9
Oct 1, 2023 3:45pm 0 VERSION_BUMP bb9134b2
Aug 31, 2023 11:05am 0 VERSION_BUMP ad8b9ea8
May 4, 2023 6:44am 0 VERSION_BUMP 6b7399d0
Apr 13, 2023 11:35am 0 VERSION_BUMP 3877a95a
Mar 21, 2023 3:05am 0 VERSION_BUMP 7d6bd2a8
Mar 21, 2023 3:05am 0 VERSION_BUMP 09512bb2
Mar 10, 2023 8:06pm 0 VERSION_BUMP d4392298
Mar 10, 2023 8:05pm 0 VERSION_BUMP 25a989c7
Mar 9, 2023 10:29pm 0 VERSION_BUMP 8fca2fdc
Mar 9, 2023 10:29pm 0 VERSION_BUMP 684d3cfe
Mar 7, 2023 7:05pm 0 VERSION_BUMP 8754b839
Mar 7, 2023 7:05pm 0 VERSION_BUMP e9f3a4f0
Mar 2, 2023 9:09pm 0 VERSION_BUMP d4bcc5f6
Mar 2, 2023 9:09pm 0 VERSION_BUMP 701f391c
Feb 13, 2023 5:05pm 0 VERSION_BUMP 530565fb
Feb 13, 2023 5:05pm 0 VERSION_BUMP 554ce79b
Feb 6, 2023 5:04pm 0 VERSION_BUMP f879b7c1
Feb 6, 2023 5:04pm 0 VERSION_BUMP 44256781
Feb 6, 2023 1:12pm 0 VERSION_BUMP 28257745
Feb 6, 2023 1:11pm 0 VERSION_BUMP 8ff277bf
Jan 28, 2023 2:04pm 0 VERSION_BUMP 85ed21bd
Jan 28, 2023 2:04pm 0 VERSION_BUMP 6fee2ba6
Jan 26, 2023 8:12pm 0 VERSION_BUMP c6f4c657
Jan 26, 2023 8:12pm 0 VERSION_BUMP 3f42c30f
Jan 13, 2023 7:05pm 0 VERSION_BUMP 3a41487f
Jan 13, 2023 7:05pm 0 VERSION_BUMP b982a08c
Jan 13, 2023 3:56am 0 VERSION_BUMP 4760faf5
Jan 13, 2023 3:56am 0 NEW 19879718
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