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Unleash

★ 13k

Open-source feature flag and gradual rollout platform with SDKs for all major languages

Unleash does the job of LaunchDarkly, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and it installs in about one command. LaunchDarkly bills $10-20/seat+ for it. 13k stars on GitHub.

Open-source replacement for LaunchDarkly.

Licence
Apache-2.0
Self-hosting
Easy
The paid one costs
$10-20/seat+
GitHub stars
13k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How Unleash runs

Where it runs

Unleash runs on your server.

What setup takes

not verified by us yet — check the repo README.

Unleash questions

Is Unleash open source?

Yes — it is released under Apache-2.0.

Can Unleash replace LaunchDarkly?

Our verdict on LaunchDarkly is YES. OpenCode (192k stars), OpenHands (83k stars), Cline (65k stars) are mature open-source replacements for LaunchDarkly — self-host in one command and stop paying $100/mo.

Can I self-host Unleash?

Yes — we rate it easy to self-host, and it runs on your server.

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