Apache CloudStack is an opensource Infrastructure as a Service (IaaS)
Run Amazon EKS on your own infrastructure
Remote desktop chooser
Reads from existing public and private cloud providers
Zenoss - Intelligent IT Operations Management
Simple and Lightweight CMS Framework
Open Source Enterprise Wiki and Web Application Platform
Interact with your vSphere VMs without network connectivity!
Drubuntu is the easy way to set up an extendable dev server for drupal
Hippo CMS is a Java based, Open Source Web Content Management platform
The dotCODES Source Control Maintenance Mainframe (SCM2)
opensource Virtual Appliance Factory
Opera + Desktop