Top pick · highest health
Flagsmith
Dashboard, API and SDKs for adding Feature Flags to your applications (alternative to LaunchDarkly).
DockerK8S
Software Development - Feature Toggle
Open source alternatives to LaunchDarkly
We track 5 open-source LaunchDarkly alternatives, of which 5 currently score 70 or above on Repoly's GitHub health scale and 3 ship a Docker image. Flagsmith leads on health at 95/100 with 355 commits in the last 90 days; across all 5 projects you are choosing between BSD-3-Clause, GPL-3.0, MIT.
updated Oct 2026 5 alternatives best health 95 ★ 56k combined 18,694 commits / 90d 3 with Docker
Top picks to replace LaunchDarkly
Showing 5 of 5 tools
All 5 LaunchDarkly alternatives, ranked by health
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Flipt
Feature flag solution with support for multiple data backends (alternative to LaunchDarkly).
DockerK8SGo -
Featbit
Enterprise-grade feature flag platform that you can self-host.
DockerK8S -
PostHog
Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel, Amplitude, Heap, HotJar, Optimizely).
Python -
GO Feature Flag
Simple, complete, and lightweight feature flag solution (alternative to LaunchDarkly).
Go
LaunchDarkly alternatives compared
Flagsmith and Flipt tie at 95/100. PostHog has the largest following at 41k stars, yet ranks #4 of 5, held back mostly by Docker support (no Docker image).
The most recent release is PostHog desktop-v0.61.881, published today. None of the measured options scores under 40. By stack, Go (2) and Python (1) are the most common. Flagsmith, Featbit, PostHog and 1 more are permissively licensed; Flipt is copyleft.
| Tool | Health | Stars | Licence | Last commit | Docker |
|---|---|---|---|---|---|
| Flagsmith Steady at 95 since 11 Sep | 95 | 6.6k | BSD-3-Clause | today | Yes |
| Flipt Steady at 95 since 11 Sep | 95 | 4.9k | GPL-3.0 | yesterday | Yes |
| Featbit Steady at 93 since 11 Sep | 93 | 1.9k | MIT | today | Yes |
| PostHog Steady at 88 since 11 Sep | 88 | 41k | MIT | today | No |
| GO Feature Flag Steady at 83 since 11 Sep | 83 | 2.1k | MIT | today | No |
LaunchDarkly alternatives: common questions
What is the most maintained open source alternative to LaunchDarkly?
Flagsmith scores highest at 95/100, with 355 commits in the last 90 days, 6.6k stars on GitHub and its latest release (v2.288.2) published yesterday. PostHog has the most raw commit activity at 17556 commits in 90 days.
Which LaunchDarkly alternatives use a permissive licence?
4 of 5 are permissively licensed (MIT, Apache, BSD or similar): Flagsmith (BSD-3-Clause), Featbit (MIT), PostHog (MIT), GO Feature Flag (MIT). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.
Which LaunchDarkly alternatives run in Docker?
3 of 5 publish a Docker image or Compose file: Flagsmith, Flipt, Featbit. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.
Is Flagsmith or Flipt the better LaunchDarkly alternative?
On measured health Flagsmith leads, 95 to 95. Flagsmith has 355 commits in 90 days, 6.6k stars and v2.288.2 from yesterday; Flipt has 183 commits in 90 days, 4.9k stars and v2.14.1 from 7 days ago. Flagsmith is ahead or level on every term Repoly measures.
Are the LaunchDarkly alternatives still maintained?
5 of the 5 measured options score 70 or above. Every measured option had commits in the last 90 days. None scores under 40.
What languages are the LaunchDarkly alternatives written in?
Go: Flipt and GO Feature Flag. Python: PostHog. The stack matters if you plan to extend or patch the tool yourself.
