Flagsmith vs LaunchDarkly
Self-host swap-in for LaunchDarkly. · Self-host LaunchDarkly · Flagsmith on os-alt
Flagsmith is one of the open-source self-host replacements for LaunchDarkly — license BSD-3-Clause, 20min docker-compose (Django + Postgres + InfluxDB optional) to stand up, and $10/mo vps. Compare against LaunchDarkly's Foundation $10/seat/mo; Developer $25/seat/mo; Pro custom (typically $0.10-0.30 per MAU) below.
| Flagsmithopen-source | LaunchDarklypaid SaaS | |
|---|---|---|
| Category | Feature flags / progressive delivery | Feature flags / progressive delivery |
| License / pricing | BSD-3-Clause | Foundation $10/seat/mo; Developer $25/seat/mo; Pro custom (typically $0.10-0.30 per MAU) |
| Starting price | $0 self-host | $10/user/mo |
| GitHub | Flagsmith/flagsmith | closed source |
| Setup time | 20min docker-compose (Django + Postgres + InfluxDB optional) | SaaS — sign up + bill |
| Monthly cost | $10/mo VPS. | from $10/user/mo (Foundation $10/seat/mo; Developer $25/seat/mo; Pro custom (typically $0.10-0.30 per MAU)) |
Switching from LaunchDarkly to Flagsmith
Pull the official compose at docs.flagsmith.com. Flagsmith has a LaunchDarkly importer in its admin UI — provide your LD API key, it imports flags, segments, and environments. Edge proxy (Flagsmith Edge Proxy) for low-latency evaluation; SDKs available for 16+ languages.
- Good fit for
- Teams that want flags + remote config + A/B testing in one tool with a polished Django-based admin UI.
- Weak at
- Heavier stack than Unleash; Edge Proxy is a separate service to operate.
- License note
- Core is BSD-3-Clause; SaaS-specific advanced auditing and SCIM are paid.
Other open-source self-host alternatives to LaunchDarkly
In a terminal? npx os-alt launchdarkly prints LaunchDarkly's self-host options —
how the CLI works →
FAQ
Is Flagsmith a free alternative to LaunchDarkly?
Yes — Flagsmith is open source under BSD-3-Clause. Self-host cost: $10/mo VPS.. LaunchDarkly starts at $10/user/mo (Foundation $10/seat/mo; Developer $25/seat/mo; Pro custom (typically $0.10-0.30 per MAU)).
How long does Flagsmith take to set up vs LaunchDarkly?
Self-hosting Flagsmith: 20min docker-compose (Django + Postgres + InfluxDB optional). LaunchDarkly is a hosted SaaS — sign up and you're in.
What is Flagsmith good at, and what is it weak at?
Good fit for: Teams that want flags + remote config + A/B testing in one tool with a polished Django-based admin UI.. Weak at: Heavier stack than Unleash; Edge Proxy is a separate service to operate..