Cross-platform C++ library for use as a default application framework.
Framework for Systems Biology
Open-Source Framework for Distributed Constraint Optimization (DCOP)
Middleware for distributed applications
Unified Test and Logging layer for multiple programming languages
GEPETTO (GEne Prioritization ExTended TOol)
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework
something that writes code for you