Arab Academy for Science, Technology & Maritime Transport
Due to the fast development of the cloud computing technologies, the rapid increase of cloud services are became very remarkable. The fact of integration of these services with many of the modern enterprises cannot be ignored. Microsoft, Google, Amazon, SalesForce.com and the other leading IT companies are entered the field of developing these services. This paper presents a comprehensive survey of current cloud services, which are divided into eleven categories. Also the most famous providers for these services are listed. Finally, the deployment models of cloud computing are mentioned and briefly discussed.