Self-hosted alternatives to LaunchDarkly

Feature flags and controlled rollout, self-hosted. Below are 5 open source options you host on your own server — with no monthly per-user fee and full control of your data.

PostHog

★ 35,138

PostHog brings product analytics, session recording, feature flags and A/B testing into a single platform. Self-hosted, it gives product teams a complete alternative to Mixpanel and Amplitude with the data on their own infrastructure.

AnalyticsSoftware Development - Feature Toggle MIT

Flagsmith

★ 6,416

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

Software Development - Feature Toggle BSD-3-Clause

Flipt

★ 4,830

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

Software Development - Feature Toggle GPL-3.0

GO Feature Flag

★ 2,041

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

Software Development - Feature Toggle MIT

Featbit

★ 1,844

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

Software Development - Feature Toggle MIT

Frequently asked questions

Is there a free self-hosted alternative to LaunchDarkly?

Yes. We've gathered 5 self-hosted, open source alternatives to LaunchDarkly — including PostHog, Flagsmith, Flipt. You run all of them on your own server.

What is the best open source alternative to LaunchDarkly?

PostHog is one of the most popular (35,138 GitHub stars). The "best" depends on your case — compare the options below.

Do I need a server to replace LaunchDarkly?

Yes. You can use a home server (homelab) or a cheap VPS (from ~€4/mo). See the hosting suggestions on this page.