FYI, not at all comprehensive
- kubernetes/kubernetes — container orchestration
- helm/helm — Kubernetes package manager
- kubernetes-sigs/kustomize — Kubernetes config customization
- argoproj/argo-cd — GitOps continuous delivery
- fluxcd/flux2 — GitOps for Kubernetes
- hashicorp/terraform — infrastructure as code
- pulumi/pulumi — IaC with programming languages
- crossplane/crossplane — cloud resources via Kubernetes APIs
- runatlantis/atlantis — Terraform pull request automation
- gruntwork-io/terragrunt — Terraform wrapper for DRY IaC
- ansible/ansible — configuration management and automation
- jenkinsci/jenkins — CI/CD server
- actions/runner — GitHub Actions runner
- tektoncd/pipeline — Kubernetes-native CI/CD pipelines
- spinnaker/spinnaker — multi-cloud continuous delivery
- moby/moby — container engine project
- containerd/containerd — container runtime
- cri-o/cri-o — Kubernetes container runtime
- prometheus/prometheus — metrics and monitoring
- grafana/grafana — observability dashboards
- grafana/loki — log aggregation
- jaegertracing/jaeger — distributed tracing
- open-telemetry/opentelemetry-collector — telemetry collection pipeline
- istio/istio — service mesh
- linkerd/linkerd2 — lightweight service mesh
- envoyproxy/envoy — cloud-native proxy
- cilium/cilium — eBPF networking and security
- projectcalico/calico — container networking and network policy
- cert-manager/cert-manager — TLS certificate automation
- external-secrets/external-secrets — sync secrets from secret stores
- hashicorp/vault — secrets management
- open-policy-agent/opa — policy as code
- kyverno/kyverno — Kubernetes policy engine
- falcosecurity/falco — runtime security monitoring
- aquasecurity/trivy — vulnerability and config scanning
- anchore/grype — container vulnerability scanner
- sigstore/cosign — container signing and verification
- goharbor/harbor — container registry
- minio/minio — S3-compatible object storage
- metallb/metallb — load balancer for bare-metal Kubernetes
- kubernetes/ingress-nginx — Kubernetes ingress controller
- openebs/openebs — cloud-native storage
- vmware-tanzu/velero — backup and disaster recovery for Kubernetes
- kedacore/keda — event-driven autoscaling
- cloudnative-pg/cloudnative-pg — PostgreSQL operator for Kubernetes
- hashicorp/consul — service discovery and networking
- hashicorp/nomad — workload orchestration
- backstage/backstage — developer portal platform
- kubevirt/kubevirt — virtual machines on Kubernetes
- woodpecker-ci/woodpecker — lightweight CI/CD system