A/B Testing Open Source Tools

Alternative toLaunchDarkly

LaunchDarkly alternative with SDK for 30+ languages, self-hosted

• 13,887 GitHub stars
• AGPL-3.0Licence AGPL-3.0

Alternative toHubSpot Marketing Hub

Self-hosted marketing automation with email and campaigns

• 10,806 GitHub stars
• GPL-3.0Licence GPL-3.0
• #Email

Alternative toLaunchDarkly

Open source A/B testing and feature flag platform

• 8,514 GitHub stars

Alternative toLaunchDarkly

Open source feature flags and remote config, self-hosted

• 6,605 GitHub stars
• BSD-3-ClauseLicence BSD-3-Clause

Alternative toLaunchDarkly

Feature flags that store and evaluate on your own infrastructure

• 4,923 GitHub stars
• MITLicence MIT

Alternative toAlgolia

Open source personalization and search ranking engine

• 2,454 GitHub stars
• Apache-2.0Licence Apache-2.0
• #LLMOps

Alternative toMailchimp

Send newsletters and track analytics from your own email server

• 2,239 GitHub stars
• AGPL-3.0Licence AGPL-3.0
• #Email

Alternative toBraze

Open source mobile retention and engagement automation

• 39 GitHub stars
• MITLicence MIT

Alternative toLaunchDarkly

Self-hosted feature flags for React, Bun, and Node.js

• 15 GitHub stars
• MITLicence MIT