
SightHog
SightHog is a drop-in browser SDK that records rrweb session replay, rage-clicks, web vitals, and network logs — then ships them to your own Kafka, Postgres, and ClickHouse. Open source, self-hosted, no per-seat fees.
About this project
Read it here https://medium.com/@samjoe.txt/how-posthog-handles-millions-of-events-what-i-learned-building-a-mini-replica-from-scratch-5ebef59af78a


