Flagsmith
Open-source feature flags and remote config
FreeDevOpsOpen Source1 impressions
Flagsmith is a free alternative to LaunchDarkly.
Flagsmith is an open-source feature flag and remote-config platform for managing feature toggles, A/B tests and user segmentation.
- for
- Developers and product teams needing controlled feature releases and remote configuration.
- pricing
- freemium · free trial
- license
- BSD-3-Clause
Key features
- Cross-platform feature flags — Create and manage toggles for web, mobile and server-side apps from a single dashboard.
- Granular segment rules — Target flags by environment, individual users, segments or percentage rollouts.
- Remote configuration — Adjust feature values in real time without redeploying code.
- Multivariate testing — Run A/B/n experiments with percentage splits across multiple variations.
- User traits & segments — Store user traits and build detailed segments for staged rollouts.
- Audit logs & rollback — Log all flag changes for auditing and easy rollback of releases.
Use cases
- Enable canary releases for a new payment flow
- A/B test UI color changes without redeploying
- Toggle premium features per subscription tier
- Gradually roll out a mobile app feature to power users
- Remote-configure feature parameters based on user traits
Flagsmith pricing
- Free$01 team member · 1 project · 50,000 requests/month
- Start-Up$0/month14-day free trial · 3 team members · 1,000,000 requests/month
- Scale-Up$0/month14-day free trial · 5-20 team members · 5,000,000+ requests/month
Flagsmith vs alternatives
 Flagsmith |  Render |  Docker |  Vercel |  CircleCI | |
|---|---|---|---|---|---|
| Best for | Granular feature flag management | App deployment hosting | Container runtime | Frontend hosting | Continuous integration |
| Pricing | Freemium | Subscription | Subscription | Subscription | Subscription |
| DevHunt upvotes | 0 | 0 | 0 | 0 | 0 |
| Launched | — | — | — | — | — |
- Flagsmith vs Render: Render is a cloud platform for building and deploying apps, not a feature-flag service.
- Flagsmith vs Docker: Docker provides containerization, whereas Flagsmith manages feature toggles and remote config.
- Flagsmith vs Vercel: Vercel focuses on frontend deployment, while Flagsmith handles feature flagging across any stack.
- Flagsmith vs CircleCI: CircleCI is a CI/CD pipeline tool, not a feature-flag management solution.
Flagsmith FAQ
Is there a free plan?+
Yes, Flagsmith offers a free plan for solo developers or to try the product.
What deployment options are available?+
Flagsmith can be used as a hosted cloud service, private cloud, or self-hosted on-premises.
How are API usage limits calculated?+
Each SDK call that fetches flags counts as one request; limits are per calendar month across all projects.
What happens if I exceed my plan’s API limit?+
Free users have 7 days to upgrade; paid plans get a 30-day grace period before overage charges apply.
Do you offer discounts for open-source or non-profits?+
Yes, Flagsmith provides discounted plans for open-source, charities and not-for-profit projects.
Summarized by DevHunt from flagsmith.com · Oct 7, 2026. Details may change; check the official site.
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