Best self-hosted software development - feature toggle
A [feature toggle](https://en.wikipedia.org/wiki/Feature_toggle) in software development provides an alternative to maintaining multiple feature branches in source code.
We track 6 self-hosted software development - feature toggle projects. The median health score in this category is 82, against 4 projects rated healthy or better and none currently flagged as at risk. The table below is ordered by health score, not popularity — the most starred project in a category is frequently not the best maintained one.
| # | Project | Health | Activity | Stars | Built with | Last release |
|---|---|---|---|---|---|---|
| 1 | PostHog Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel, | Thriving · 99 | 40k | Python | 27 Sept 2026 | |
| 2 | Flagsmith Dashboard, API and SDKs for adding Feature Flags to your applications (alternative to LaunchDarkly). | Thriving · 84 | 6.6k | Docker, K8S | 24 Sept 2026 | |
| 3 | GO Feature Flag Simple, complete, and lightweight feature flag solution (alternative to LaunchDarkly). | Thriving · 82 | 2.1k | Go | 8 Sept 2026 | |
| 4 | Flipt Feature flag solution with support for multiple data backends (alternative to LaunchDarkly). | Healthy · 79 | 4.9k | Docker, K8S | 20 Sept 2026 | |
| 5 | Featbit Enterprise-grade feature flag platform that you can self-host. | Steady · 64 | 1.9k | Docker, K8S | 25 Sept 2026 | |
| 6 | Nona Remote configuration and feature flag service with a single REST API, multiple environments, and official JavaScript and | Steady · 61 | 64 | Docker | 14 Sept 2026 |
Which one should you run?
If you want the safest bet on longevity, PostHog is the best-maintained project in this category right now at 99/100. Flagsmith is the closest runner-up (84/100) — see the side-by-side comparison.
A health score measures whether a project is alive and shipping. It does not measure whether it has the feature you need. Use it to rule options out, then compare on features.