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The cloud computing model enables efficient access to dynamic computing resources. As the growing of cloud computing related technologies, more and more software organizations and companies are considering the benefits to the software development and testing tasks. In this paper, a cloud based development and testing framework is introduced. Based on the advantages of different cloud computing models and technologies, the framework aims to integrate and provide corresponding tools to facilitate software development and testing tasks.

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Although the development of open source software (OSS) projects is known to be critically dependent on many key factors, the precise contribution of the various user and developer activities toward the development of an OSS project is unknown. Therefore, an empirical study is performed to examine the correlation between the user/developer activities and the state of development of an OSS project. It is shown that certain user/developer activities have a particular efficacy in facilitating OSS project development. The results presented in this study provide an effective approach useful in observing and evaluating the development of OSS projects. Copyright © 2009 John Wiley & Sons, Ltd.