60. RedHat
RedHat offers a variety of resources for running its flagship enterprise operating system in the cloud. The site also includes a list of RedHat partners who offer related cloud computing products and services.
61. SUSE
62. Ubuntu
At this site, Canonical provides a wealth of information about using Ubuntu in public and private clouds. It also offers Juju, a service orchestration tool, and AWSOME, a tool for migrating from Amazon Web Services to OpenStack-based architecture.
63. EasyPeasy
Designed as a cloud OS, EasyPeasy is a very lean version of Linux that's ideal for netbooks or other devices used primarily to access the Internet. It offers low power consumption, social networking integration and more.
64. Joli OS
Joli OS describes itself as "the ultimate desktop for the cloud." It aims to bring new life to old PCs with an extremely simple-to-use version of Linux that comes with 1,500 apps. It's used on more than 750,000 systems.
65. Peppermint
Another Linux distribution designed to be cloud- and Web-centric, Peppermint boasts that it is "sleek, user friendly and insanely fast." With a very small footprint, it loads and shuts down very quickly, and you don't have to be an uber-geek to use it.
66. OpenShift
Built on Red Hat's open source software, OpenShift allows developers to write and deploy their applications in just minutes. It supports Java, Ruby, Node.js, Python, PHP and Perl, and because it's built with open technology, there's no vendor lock-in. Operating System: Linux.
67. Cloud Foundry
Sponsored by VMware, Cloud Foundry is both an open source project and a PaaS based on that open source software. It offers support for multiple languages and multiple frameworks. Operating System: Linux.
68. Cloud9 IDE
This online IDE supports Javascript, Node.js, HTML, CSS, PHP, Java, Ruby and 23 other programming languages. The source code for the IDE is available through GitHub, and the PaaS is free for open source projects or $15 per month for private projects. Operating System: OS Independent.
69. Onepoint Project
Onepoint Project offers enterprise-class project management with fast deployment and quick ROI. It comes in a variety of open source and commercial editions; the group and enterprise editions can be deployed on-premise or used on demand. Operating System: Windows, Linux, OS X.
70. openSIS
OpenSIS boasts that it can save school systems 75 percent compared to closed source student information systems. It comes in three versions: community, school, and district. The school and district options are also available as a hosted solution. Operating System: OS Independent.
71. Canvas
Instructure's Canvas learning management system helps teachers and parents track the academic progress of K-12 students. The link above connects with the commercial and cloud versions, but you can download the source code from GitHub. Operating System: Linux, Unix, OS X.
72. TimeTrex
This open source solution handles scheduling, employee time tracking, job estimates and payroll tasks. It's also available in a cloud-based "On Demand" version. Operating System: Windows, Linux, OS X.
73. OpenVPN
OpenVPN is available as a open source community download, a commercially supported enterprise solution or as a cloud-based service. All three versions offer a secure, private way to access the Internet or your organization's network. Operating System: Windows, Linux, OS X.