Open-source alternatives to Optimizely

Optimizely in the Developer tools category. These are the open alternatives we recommend looking at.

GrowthBook

Feature flags, A/B testing and product analytics in one platform.

MITPermissiveOpen core

SaaS: YesClosed product: Yes

GitHub stars
8.5k
Deployment
Docker
Login/SSO
SAML, OIDC

Unleash

Feature flag platform for turning features on for selected users without a new deployment.

AGPL-3.0Network copyleft (AGPL)

SaaS: Yes, with conditionsClosed product: No

GitHub stars
13.9k
Deployment
Docker
Login/SSO
SAML, OIDC

Flagsmith

Feature flag and remote configuration platform, self-hosted or in the cloud.

BSD-3-ClausePermissive

SaaS: YesClosed product: Yes

GitHub stars
6.6k
Deployment
Docker
Login/SSO
SAML, OIDC, LDAP

Flipt

Feature flags that are stored and versioned in Git.

LicenseRef-FCL-1.0-MITSource-available (not OSI)

SaaS: NoClosed product: No

GitHub stars
4.9k
Deployment
Docker
Login/SSO
OIDC

GO Feature Flag

Lightweight, self-hosted feature flag solution built on the OpenFeature standard.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars
2.1k
Deployment
Library

FeatBit

Self-hosted feature flag and remote config platform with SDKs for several languages.

MITPermissive

SaaS: YesClosed product: Yes

GitHub stars
1.9k
Deployment
Docker
Login/SSO
OIDC

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

Sign in for more

  • Full licence analysis per use case (self-hosting, modifying, hosted service, AI use)
  • Save products to your own lists
  • Systemkarta: map the tools you already use (coming soon)
  • Personal help and AI advice (coming soon)
Sign in for free