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Indie alternatives to Optimizely

3 products made by independent developers and small teams that do what Optimizely does, 2 of them with a free plan. Free and open-source options come first.

At a glance

Product	Price	Open source	Self-host	Platforms
GrowthBook	Free plan	Yes	Yes	Web, Self-hosted, API
Mida	Free plan	–	–	Web
Crazy Egg	Paid	–	–	Web

The alternatives

1. GrowthBook

Open-source feature flags and experimentation

GrowthBook combines feature flags with a warehouse-native A/B testing and experimentation platform.

Free plan · Web, Self-hosted, API · Website ↗

2. Mida

Lightweight A/B testing tool

An A/B testing and experimentation tool with a small script and visual editor, aimed at marketers and growth teams.

Free plan · Web · Website ↗

3. Crazy Egg

Heatmaps, scroll maps, recordings and A/B testing for websites

A website optimization tool offering heatmaps, scroll maps, session recordings, surveys and A/B testing to improve conversion rates.

Paid · Web · Website ↗

Questions

Is there a free alternative to Optimizely?

Yes. 2 of the 3 indie alternatives listed here have a free plan or are free: GrowthBook and Mida.

Is there an open-source alternative to Optimizely?

GrowthBook is open source.

Can I self-host an alternative to Optimizely?

Yes: GrowthBook can run on your own server.

What makes these alternatives to Optimizely “indie”?

They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Optimizely.

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