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Self-hosted Software Development - Feature Toggle software (2026)

A [feature toggle](https://en.wikipedia.org/wiki/Feature_toggle) in software development provides an alternative to maintaining multiple feature branches in source code.

4 open-source apps · all free & self-hostable

Featbit source

Enterprise-grade feature flag platform that you can self-host.

MITDocker/K8S

Flagsmith source

Dashboard, API and SDKs for adding Feature Flags to your applications (alternative to LaunchDarkly).

BSD-3-ClauseDocker/K8S

Flipt source

Feature flag solution with support for multiple data backends (alternative to LaunchDarkly).

GPL-3.0Docker/K8S/Go

GO Feature Flag source

Simple, complete, and lightweight feature flag solution (alternative to LaunchDarkly).

MITGo