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+709 starsfrom 12,376 · score 6.57
2.growthbook / growthbookOpen Source Feature Flags, Experimentation, and Product Analyticsabtestingstatisticsabtestexperimentationsplit-testingsnowflake+14 moreTypeScriptOther license8.6K total890 forks+474 starsfrom 8,082 · score 6.16
3.Unleash / unleashOpen-source feature management platformfeaturefeature-toggleunleashfeature-flagscontinuous-deploymentcontinuous-delivery+13 moreTypeScriptAGPL-3.014K total919 forks+232 starsfrom 13,691 · score 5.45