Flagsmith is an open-source feature flag and remote configuration platform that can be self-hosted or used as a cloud service. It provides feature flags, A/B testing, user segmentation, and analytics for web, mobile, and server-side applications. Flagsmith's Edge API delivers flags with sub-10ms latency globally, and its open-source nature makes it a popular LaunchDarkly alternative for teams with data sovereignty needs.
- Open-source feature flags & remote config
- Sub-10ms Edge API delivery
- User segmentation & targeting
- A/B testing & multivariate flags
- Self-hostable & cloud options
Pros
- Open-source with self-hosting option
- Edge API delivers flags with excellent latency
- Good free tier for getting started
Cons
- Smaller ecosystem than LaunchDarkly
- Enterprise analytics less deep than Statsig
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| Pricing | freemium |
| Views | 5 |
| Clicks | 3 |
| Added | Jun 02, 2026 |
| Source | Manual Entry |