# Free alternatives to LaunchDarkly

> LaunchDarkly: price not verified. Free alternatives: Unleash, Flagsmith and GrowthBook. Data checked 2026-10-17.

- Page: https://stoprenting.dev/apps/launchdarkly/
- Category: Developer Tools (https://stoprenting.dev/categories/developer-tools/)
- Vendor: LaunchDarkly
- Plan: Foundation
- Price: usage-based, no fixed price
- Price source: https://launchdarkly.com/pricing/ (checked 2026-10-17)

## Alternatives

### Unleash

- Website: https://www.getunleash.io
- Repository: https://github.com/Unleash/unleash (13,882 stars, last push 2026-10-16)
- License: AGPL-3.0
- Open source: yes, OSI-approved license
- Type: server app
- Linux: self-hosted server; web UI
- Self-hostable: yes
- Note: Free edition is limited to 1 project and 2 environments, with no SSO, custom roles or change approvals.
- More: https://stoprenting.dev/alternatives/unleash/
- Checked: 2026-10-17

### Flagsmith

- Website: https://www.flagsmith.com
- Repository: https://github.com/Flagsmith/flagsmith (6,596 stars, last push 2026-10-17)
- License: BSD-3-Clause
- Open source: yes, OSI-approved license
- Type: server app
- Linux: self-hosted server; web UI
- Self-hostable: yes
- More: https://stoprenting.dev/alternatives/flagsmith/
- Checked: 2026-10-17

### GrowthBook

- Website: https://www.growthbook.io
- Repository: https://github.com/growthbook/growthbook (8,506 stars, last push 2026-10-17)
- License: MIT (enterprise directories separately licensed)
- Open source: yes, OSI-approved license
- Type: server app
- Linux: self-hosted server; web UI
- Self-hostable: yes
- More: https://stoprenting.dev/alternatives/growthbook/
- Checked: 2026-10-17

## FAQ

### Is there a free alternative to LaunchDarkly?

Yes. The 3 free alternatives are Unleash (open source, AGPL-3.0), Flagsmith (open source, BSD-3-Clause) and GrowthBook (open source, MIT).

### How much does LaunchDarkly cost?

LaunchDarkly has usage-based pricing, so there is no fixed price to compare. Source: the official pricing page at launchdarkly.com, checked Oct 17, 2026.

### Which LaunchDarkly alternatives run on Linux?

Unleash (self-hosted server; web UI), Flagsmith (self-hosted server; web UI) and GrowthBook (self-hosted server; web UI).

### Can you self-host a LaunchDarkly alternative?

Yes. Unleash, Flagsmith and GrowthBook run on your own server.

### Are these LaunchDarkly alternatives open source?

Yes. All 3 use OSI-approved open-source licenses: Unleash (AGPL-3.0), Flagsmith (BSD-3-Clause) and GrowthBook (MIT).

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Source: Stop Renting (https://stoprenting.dev). Methodology: https://stoprenting.dev/methodology/