SMRTR ProgrammingNov 11, 2025Dev.to

How I Accidentally Built My Own Mixpanel Alternative

SMRTR summary

A developer facing a $300-400 monthly Mixpanel bill for his side project decided to build his own analytics solution after existing alternatives like PostHog felt too complex or lacked necessary features. Starting as a simple experiment with Next.js and Postgres, OpenPanel evolved into a complete analytics platform combining product and web analytics. The open-source tool now processes 100 million events monthly across 200 self-hosted instances, offering users cost savings and full control without vendor lock-in.

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