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Historical reference - see VWO or Optimizely for alternatives
Sunset in September 2023
Typical cost: Free
Historical reference - see VWO or Optimizely for alternatives
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Google Optimize was a free A/B testing tool integrated with Google Analytics. While sunset in 2023, it introduced many to experimentation. Alternatives include VWO and Optimizely.

PostHog
FreemiumProduct analytics, session recording, feature flags, and A/B testing.
Best for: Developer-first teams who want full product insights without vendor lock-in

Hotjar
FreemiumUnderstand how users behave on your site.
Best for: Non-technical teams focused on UX optimization and qualitative user feedback

Mailchimp
FreemiumAll-in-one Marketing Platform for small business.
Best for: Small businesses needing an all-in-one marketing platform with proven track record

Loops
FreemiumEmail marketing built for modern startups.
Best for: Developer-focused startups who want modern email infrastructure with API flexibility
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