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Open Source Feature Flag Management Tools

A curated collection of the 5 best open source Feature Flag Management Tools for inspiration and reference. Each listing includes a website screenshot along with a detailed review of its features.

Unleash

Feature flags for rapid, risk-free software deployment

Stars
11,251
Forks
704
Last commit
20 hours ago

GrowthBook

Open-source A/B testing and feature flagging platform

Stars
6,113
Forks
497
Last commit
20 hours ago

Flagsmith

Feature flags and remote config for rapid deployment

Stars
4,807
Forks
369
Last commit
2 days ago

Featurevisor

Feature management with GitOps for developers

Stars
633
Forks
30
Last commit
19 days ago

Abby

Type-safe feature flags and remote config for developers

Stars
134
Forks
18
Last commit
1 month ago