1.openreplay / openreplaySession replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.session-replayreactjavascriptanalyticsangulardevtools+10 moreTypeScriptOther license13K total879 forks+1,166 starsfrom 11,919 · score 7.06
2.growthbook / growthbookOpen Source Feature Flags, Experimentation, and Product Analyticsabtestingstatisticsabtestexperimentationsplit-testingsnowflake+14 moreTypeScriptOther license8.6K total890 forks+859 starsfrom 7,697 · score 6.76
3.Unleash / unleashOpen-source feature management platformfeaturefeature-toggleunleashfeature-flagscontinuous-deploymentcontinuous-delivery+13 moreTypeScriptAGPL-3.014K total919 forks+526 starsfrom 13,397 · score 6.27