OSGi
OSGi service platform是一个开放并且提供统一接口标准的体系框架，基于这个体系框架，服务提供商，程序开发人员，软件提供商，服务网管运营商，设备提供商能够协调地联合起来开发，部署以及管理向用户提供的各种服务。
Equinox
Equinox是OSGi R4 core framework的一个实现，一组实现各种可选的OSGI bundle和一些开发基于OSGi技术的系统所需要的基础构件。Eclipse是基于Equinox项目开发的一个典型例子。
Oscar
Oscar is an open source implementation of the Open Services Gateway Initiative (OSGi) framework.
Knopflerfish
Knopflerfish project is to develop and distribute easy to use open source code, build tools and applications, related to the OSGi framework.
Felix
Felix is a community effort to implement the OSGi R4 Service Platform, which includes the OSGi framework and standard services, as well as providing and supporting other interesting OSGi-related techn...
Spring-OSGi
framework. A Spring application written in this way provides better separation of modules, the ability to dynamically add, remove, and update modules in a running system, the ability to deploy multipl...