The Eclipse Source Editing project provides source editing support for typical "web" languages and the mixing of them, with a focus on making the editors extensible and easily reusable.
The Plug-in Development Environment project and Web Tools Platform project provide plenty of tools for OSGi development and Java EE development, respectively.
Eclipse Buckminster is a set of frameworks and tools for automating build, assemble & deploy (BA&D) development processes in complex or distributed component-based development.
The Eclipse Target Management project creates data models and frameworks to configure and manage remote systems, their connections, and their services.
