Feature Flags
without the complexity
Self-hosted, open-source feature flag management. Simple setup, no paywall, no compromises. Ship features with confidence.
Everything you need
Powerful feature flag management without the bloat. Focus on what matters — shipping features.
Projects & Environments
Organize flags into projects with multiple environments. Dev, staging, production — all in one place.
Flexible Flag Types
Boolean, string, number, or JSON values. Return exactly what your application needs.
Targeting & Gates
Target specific users or groups with actor-based gates. Roll out features gradually with precision.
Simple & Fast
No complex setup or steep learning curve. Get started in minutes, not hours.
Self-Hosted
Run on your own infrastructure. Full control over your data with no vendor lock-in.
Developer First
Clean REST API, type-safe TypeScript SDK, and a dashboard that gets out of your way.
Integrate in minutes
Use our TypeScript SDK for server-side evaluation, or call the REST API directly from any language.
Node.js, Deno, Bun, edge runtimes
Any language, direct HTTP
Open Source & Free Forever
Marshant is fully open source under the MIT license. Self-host for free with no feature limitations or hidden paywalls.
Marshant Cloud
Don't want to self-host? We're building a managed cloud version.
Join the waitlist to be notified when it launches.