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Vagrant is an open-source software building portable and virtual development environments. With Vagrant, developers and devops can create development environments that mirror production environment by providing the same operating system, packages, users, and configurations. Vagrant can be spin up environments for VirtualBox, KVM, Hyper-V, Docker containers, VMware, and AWS, and integrates with exiting configuration tooling such as Ansible, Chef, Docker, Puppet or Salt

Ansible is an open-source software provisioning, configuration management, and application-deployment tool. With Ansible you can streamline your deployment process, allowing you to roll out enterprise scale applications with the bush of a button or a command via the terminal. Ansible itself is written in Python and has a minimal learning curve, allowing you to build simple setup procedures that can manage all of your CI/CD needs.

Terraform is an open-source infrastructure as code software tool created by HashiCorp. It allows infrastructure to be expressed as code in a simple, human readable language called HCL (HashiCorp Configuration Language). The Terraform CLI automatically reads configuration files and provides an execution plan of changes, which can be reviewed for safety and then applied and provisioned.

Dokku is a free and open-source project that helps you build and manage the lifecycle of applications. With Dokku developers can setup their own PaaS (Platform-as-a-Service) in a matter of minutes. Dokku provides extra plugins which can be used to manage database, and tools needed for your application. If you need to server your application over HTTPS, Dokku got you covered as well, with the help of Let's Encrypts free TLS certificates.

CapRover is an free and easy-to-use application deployment and server manager for NodeJS, Python, PHP, ASP.NET, Ruby, MySQL, MongoDB, Postgres, WordPress and more. With CapRover you can create your own PaaS (Platform-as-a-Service) similar to that of Heroku, and deploying it to your own cloud instance.

Heroku is a platform as a service (PaaS) built especially for applications developers. When Heroku first launched in 2007 it was a platform dedicated to deploy and host Ruby applications. Today the offering has broadened and allows developers to launch applications for most languages, frameworks and technologies in a matter of minutes with the help of Heroku Buildpacks. There are currently over 5,400 Heroku Buildpacks in the Heroku Elements Marketplace, that can be used by developers to speed up deployment and saftley host their applications online.