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+172 starsfrom 12,913 · score 5.15
2.unjs / fontaineAutomatic font fallback based on font metricsclsfontsweb-vitalshacktoberfestTypeScriptMIT2K total50 forks+9 starsfrom 1,994 · score 2.30