There are quite a number of cloud computing vendors. Here are some of the major players in the marketplace and their products:
| Vendor | IaaS | PaaS | SaaS | Storage |
| Amazon | EC2 (Elastic Cloud Compute) | Amazon Web Services* | Amazon Web Services* | S3 (Simple Storage Service) |
| n/a | Google App Engine (Python, Java, Go) | Google Aps | Google Cloud Storage | |
| HP | Enterprise Services Cloud – Compute | Cloud Application Delivery | HP Software as a Service | Enterprise Services Cloud – Compute |
| IBM | SmartCloud Enterprise | SmartCloud Application Services | SaaS products | SmartCloud Enterprise – object storage |
| Microsoft | Microsoft Private Cloud | Windows Azure (includes .NET, Node.js, Java, PHP) | MS Office 365 | Microsoft Private Cloud |
| JoyentCloud | SmartMachines | Node.js | n/a | n/a |
| Rackspace | Cloud Servers | Cloud Sites | Email & Apps | Cloud Files |
| Salesforce.com | n/a | Force.com | Salesforce.com | n/a |
| VMware** | VMware vSphere, vCloud | VMware vFabric (Java Spring), vCloud API | n/a | n/a |
*Amazon Web Services offers many types of cloud computing services. See the website for details.
**VMware is a provider of the technology underlying cloud computing and does not provide hosting services.
Resources
Click to read more about choosing a cloud vendor:
9 questions to ask cloud vendors
Cloud computing prices are falling – but IT may still pay too much
