OSGi（Open Service Gateway Initiative）指OSGi Alliance组织制定的一个基于Java语言的服务（业务）规范——OSGi服务平台（Service Platform）。

它被广泛应用于嵌入式系统中，大名鼎鼎的eclipse也是基于此框架的，号称2008值得学习的五种java技术之一。-OSGi (Open Service Gateway Initiative) means the OSGi Alliance organizations to develop a Java-based services (business) specifications- OSGi service platform (Service Platform). It has been widely used in embedded systems, the famous eclipse is also based on this framework, the so-called 2008 to learn one of the five java technology.