Freeware: Oo

db4o 5.5db4o (database for objects) is the open source object database. Features include native Java and .NET object persistence, object-oriented replication, automatic schema recognition, 400K footprint. Ideal for embedded use and in realtime systems.

Visual Paradigm for UML (CE) for Windows 6.1Visual Paradigm for UML is an easy-to-use UML tool that now supports bookmark, handi-selection, advanced user interface designer, command-line operations and reverse engineering, code generation, import Rose, export/import XMI, report generator etc.

Graphical OO Software Engineering Environment 1.09aIt is a visual software microcontroller design tool that can generate C code. GOOSEE is an analysis, design, documentation, and implementation tool, in a single diagram. It works with any C compiler.