Self-hostable open-source LaunchDarkly alternatives
Feature flag management. Self-hosted flag services remove per-seat/MAU pricing and keep flag data private.
Among 3 self-hostable open-source LaunchDarkly alternatives tracked here, Unleash currently leads on the Self-Host Health Score (93/100, 14k★, last commit today). For a Raspberry Pi or a low-RAM VPS, Unleash is the lightest at a documented ~512 MB (PostgreSQL). 3 of them publish official ARM64 images (Raspberry Pi / Apple Silicon). 2 offer a one-click deploy (e.g. Coolify, DigitalOcean, CapRover, Railway).
| Tool | Health | Stars | Database | Min RAM | ARM/Pi | One-click | Updated |
|---|---|---|---|---|---|---|---|
| Unleash
↗
Enterprise-ready feature flag platform with SDKs for every stack. |
93 Thriving |
14k★ TypeScript |
PostgreSQL | 512 MB | ✓ ● | Coolify DigitalOcean ↗ | today AGPL-3.0 |
| GrowthBook
↗
Feature flags plus A/B testing on your own warehouse. |
92 Thriving |
7.9k★ TypeScript |
MongoDB | 2048 MB | ✓ ● | — | today |
| Flagsmith
↗
Open-source feature flags + remote config across platforms. |
90 Thriving |
6.4k★ Python |
PostgreSQL | 2048 MB | ✓ ● | CapRover Railway ↗ | today BSD-3-Clause |
FAQ
What is the best self-hostable LaunchDarkly alternative?
By the live Self-Host Health Score, Unleash ranks highest (93/100).
Which open-source LaunchDarkly alternatives run on a Raspberry Pi?
Those publishing official ARM64 images: Unleash, GrowthBook, Flagsmith.
Which is the lightest on RAM?
Unleash, at about 512 MB.