Open source alternatives to Optimizely

2 free, self-hostable tools you can use instead of Optimizely, sorted by GitHub stars.

Alternatives to Optimizely 2

Flipt

Replaces Optimizely

Flipt is a self-hosted feature flag tool that stores and evaluates flags on your infrastructure with Git-native definitions and zero evaluation data sent to external services. Apache-2.0 licensed.

★ 4,900 MIT Developer Tools

OpenFlags

Replaces Optimizely

Run self-hosted feature flags for React, Bun, and Node.js with local evaluation and SQLite-backed control.

★ 15 MIT Developer Tools