kubectl – A command line tool for working with Kubernetes clusters. For more information, see Installing or updating kubectl. https://docs.aws.amazon.com/eks/latest/userguide/install-kubectl.html
eksctl – A command line tool for working with EKS clusters that automates many individual tasks. For more information, see Installing or updating. https://docs.aws.amazon.com/eks/latest/userguide/eksctl.html
AWS CLI – A command line tool for working with AWS services, including Amazon EKS. For more information, see Installing, updating, and uninstalling the AWS CLI https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-install.html in the AWS Command Line Interface User Guide.
After installing the AWS CLI, I recommend that you also configure it. For more information, see Quick configuration with aws configure in the AWS Command Line Interface User Guide. https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-quickstart.html#cli-configure-quickstart-config
Argo CD CLI(Not the actual Argo CD Installation) - https://argo-cd.readthedocs.io/en/stable/cli_installation/#installation