SigNoz/signoz: SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

hyperdxio/hyperdx: Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by Clickhouse and OpenTelemetry.

Obeservability 2.0 — Is It Time To Version Observability? (Signs Point To Yes) – charity.wtf

  1. who uses it, and how?
  2. how do you interact with production?
  3. how do you debug?
  4. the cost model

The o11y 2.0 article mentions - Debunking the ‘Three Pillars of Observability’ Myth - Software Engineering Daily

Another issue with “The Three Pillars” is the very notion that we should always aspire to build software that’s appropriate for the “planet-scale” infrastructure at Google (or Facebook, or Twitter, and so on). Long story short: don’t emulate Google.