Open source alternatives to Mixpanel

3 projects on starwire do the same job. Ranked by how much of what Mixpanel does each one covers, read from its README and website. Ties go to the most active.

What Mixpanel does

Event tracking from appscore
Funnels and conversion analysiscore
Retention and cohort analysis
User profiles and segments
Dashboards and reports
Session replay
A/B test analysis

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
posthogProduct analytics platform with session replay, feature flags and experiments	Replaces it89%	41k+94	19,161	today	100%	Hosted, free plan	Custom license
Covers all 2 core jobs. Partly: Retention and cohort analysis; User profiles and segments.See the evidence Event tracking from appscoreYesAutocapture or manually instrument event-based analytics Funnels and conversion analysiscoreYesAnalyze the signup → payment funnel Retention and cohort analysisPartlyroll out features to select users or cohorts User profiles and segmentsPartlyGroup analytics: Analyze multi-seat accounts Dashboards and reportsYesMonitor web traffic and user sessions with a GA-like dashboard Session replayYesWatch real user sessions from your website or mobile app A/B test analysisYesTest changes and measure their statistical impact
posthog-fossRead-only mirror of PostHog with proprietary code removed, synced automatically	Replaces it83%	731+3	19,162	None	Too few	Hosted, free plan	MIT
Covers 1 of 2 core jobs. Partly: Funnels and conversion analysis; Retention and cohort analysis.See the evidence Event tracking from appscoreYesAutocapture or manually instrument event-based analytics Funnels and conversion analysiscorePartlyTrack conversion, web vitals, and revenue. Retention and cohort analysisPartlyroll out features to select users or cohorts User profiles and segmentsYesGroup analytics: Analyze multi-seat accounts Dashboards and reportsYesMonitor web traffic and user sessions with a GA-like dashboard Session replayYesWatch real user sessions from your website or mobile app A/B test analysisYesTest changes and measure their statistical impact
rejourneyProduct analytics, session replay and crash reporting SDK for web and mobile	Covers one part72%	283	110	22 days ago	Too few	Hosted, free plan	Custom license
Covers 1 of 2 core jobs. Partly: Funnels and conversion analysis; Dashboards and reports. Not shown: A/B test analysis.See the evidence Event tracking from appscoreYesTrack the few product events that matter most Funnels and conversion analysiscorePartlycritical conversion events Retention and cohort analysisYesretention, cohorts, custom events User profiles and segmentsYesFilter a cohort by app version, operating system, device Dashboards and reportsPartlyproject-level analytics: version adoption, engagement Session replayYesSession replay shows the actual path a person took A/B test analysisNot shownNeither the README nor the website mentions it.

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