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Featly

Feature flags, dynamic configuration, segments, experiments, and enterprise governance — embedded in your ASP.NET Core app like Hangfire, or hosted centrally. Bring your own database.

Featly is what you get when you combine three things into one open-source product for the .NET ecosystem:

The DX of Hangfire

Embed the server, dashboard, and SDK inside your ASP.NET Core process. Two registration calls and a middleware mount and you have a working feature-management platform.

The engine of LaunchDarkly / Unleash

Local evaluation in the SDK; the server supplies configuration. Decisions take microseconds with no network call on the hot path.

Enterprise governance

Custom RBAC, approval workflows with per-environment policies, an audit log, ReadOnly environment locks, dry-run mutations, and database-overrides-config settings.

Open source, self-hosted

MIT-licensed. Run it embedded with SQLite or centrally with your own database. You own the data.

No other project in the .NET open-source space combines these. That is Featly’s niche.