Octopus Deploy - Octopus is a friendly deployment automation tool for .NET developers.
Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Terraform - Tool for building, changing, and versioning infrastructure safely and efficiently.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Rancher - Open Source Platform for Running a Private Container Service