Callisto is about improving the productivity of developers working on top of Eclipse projects by providing a more transparent and predictable development cycle. It is the simultaneous release of 10 major Eclipse projects at the same time.
http://www.eclipse.org/callisto/1. Platform
www.eclipse.org/platform Java Development Tools (JDT), User Interface/Core Tooling, Plug-in Development Environment (PDE).
2. C/C++ Development Tools (CDT)
www.eclipse.org/cdt Bring a fully functional C/C++ development environment to the Eclipse platform.
3. Business Intelligence and Reporting Tools (BIRT)
www.eclipse.org/birt A reporting system.
4. Data Tools Platform (DTP)
www.eclipse.org/dtp Provides data management frameworks and tools.
5. Eclipse Modeling Framework (EMF)
www.eclipse.org/emf A modeling framework and code generation tool for building tools and other applications based on a structured model.
6. Graphical Editing Framework (GEF)
www.eclipse.org/gef A framework that extends the Model-View-Controller paradigm to graphical editors.
7. Graphical Modeling Framework (GMF)
www.eclipse.org/gmf Bridge EMF and GEF to allow for the generation of graphical editors.
8. Test and Performance Tools Platform (TPTP)
www.eclipse.org/tptp Supplying frameworks and services to build unique test and performance tools.
9. WebTools Platform (WTP)
www.eclipse.org/webtools Extending the tools for developing J2EE web applications.
10. Visual Editor Project (VE)
www.eclipse.org/ve Supplying frameworks to create GUI builders.
Source from
http://eclipse.sys-con.com and
http://www.eclipse.org/callisto/