Git
Linux
Ansible
Terraform
Prometheus
Grafana
Helm
Kubernetes
Docker
ArgoCD
Jenkins
GitLab
ELK  elasticsearch   logstash   kibana
EFK  elasticsearch   filebeat / Fluentd    kibana
skywalking
Nexus3
SonarQube
KubeKey   https://github.com/kubesphere/kubekey
k9s  https://github.com/derailed/k9s
k3s  https://k3s.io/