Open Source Picks
Monthly curated OSS projects worth tracking, SRE, infra, security, and data tooling. Opinionated, low-noise. Good-first-issues highlighted.
The upstream Kubernetes repo, SIG-Node, SIG-Scheduling, and SIG-Autoscaling have active good-first-issues.
Why I care: Contributing here teaches you how the scheduler and kubelet actually make decisions, invaluable for debugging production issues.
The Prometheus time-series database. Active issues around native histogram migration and OTLP ingestion.
Why I care: Understanding how Prometheus stores and queries data changes how you design dashboards and alerts.
Grafana visualization platform. Good-first-issues around panel plugins and alerting UX.
Why I care: The plugin architecture is well-documented. Good entry point into the Go + React codebase.
Terraform core. Issues around provider development, state management edge cases, and CLI UX.
Why I care: Reading the provider protocol and state handling code explains many real-world Terraform bugs.
The OTel Collector, the pipeline between your instrumentation and your backend.
Why I care: Active contributor community. Understanding the processor/exporter model helps you build better telemetry pipelines.
ML platform on Kubernetes. Pipeline orchestration and model serving components.
Why I care: Bridges SRE skills with ML platform work, growing demand for this intersection.
GitOps continuous delivery for Kubernetes. Application sync and health checking.
Why I care: ArgoCD is production-dominant for GitOps. The app-of-apps pattern code is worth reading.
Certificate management for Kubernetes. ACME, vault, and private CA integrations.
Why I care: Good-first-issues around controller logic. Certificate rotation is a real production pain, understanding this pays dividends.