Packer is a tool for creating machine and container images for multiple platforms from a single source configuration.

Otto knows how to develop and deploy any application on any cloud platform, all controlled with a single consistent workflow to maximize the productivity of you and your team.

Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.

The faster Android emulator
Genymotion is the next generation of the AndroVM open source project, already trusted by 450,000 developers.
It’s even easier to use and has lots more functionalities.

Docker is an open-source project to easily create lightweight, portable, self-sufficient containers from any application. The same container that a developer builds and tests on a laptop can run at scale, in production, on VMs, bare metal, OpenStack clusters, public clouds and more.

Modularized veewee definitions for building Vagrant baseboxes

Rove.io is a service that allows you to pregenerate typical Vagrant builds.

VeeWee: the tool to easily build vagrant base boxes or kvm,virtualbox and fusion images

Microsoft provides virtual machine disk images to facilitate website testing in multiple versions of IE, regardless of the host operating system. With a single command, you can have IE6, IE7, IE8, IE9, IE10, IE11 and MSEdge running in separate virtual machines.

Development environments made easy.
Create and configure lightweight, reproducible, and portable development environments.