There are many tools used in the DevOps and Cloud ecosystem. Here are some of the most significant tools: Configuration Management : Ansible, Puppet, Chef Containerization : Docker, Kubernetes Continuous Integration/Continuous Deployment : Jenkins, Travis CI, CircleCI Infrastructure as Code : Terraform, CloudFormation, ARM templates Source Control Management : Git, GitHub, Bitbucket Monitoring and Logging : ELK Stack, Prometheus, Grafana Cloud Platforms : Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure Collaboration Tools : Slack, Microsoft Teams Security and Compliance : HashiCorp Vault, AWS Secrets Manager, Azure Key Vault Of course, this is not an exhaustive list and there are many other tools and technologies that may be used depending on the specific needs and goals of a DevOps or Cloud project