observability

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.

LogChef — Log Explorer for ClickHouse from Zerodha; Dec 2025.

Query billions of logs in milliseconds. Single binary, no dependencies. Point it at your ClickHouse cluster and start exploring. AI Query Assistant — Ask in plain English and get SQL instantly.

Logchef is a validation of the premlog idea.

— 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.