Cress is a comprehensive toolset for graphical service/workflow design
Cress (Communication Representation Employing Systematic Specification) allows graphical description of a wide variety of services such as in data communications/telecommunications, but Cress is not limited to this. The approach allows services to be described graphically as (work)flows of activities.
Cress diagrams are automatically translated into formal languages for rigorous analysis and verification, and are also automatically translated into implementation languages for deployment...
Twaffy is a tool for developing web based components which are easily combined into web applications. Twaffy's robust Code Factory generates entire components (HTML templates, Perl Modules, and SQL scripts) from user defined specifications.
A flatfile-based metadata repository and integration with common build tools (make, ant, others). A code generation framework is included and is useful to conditionally generate code objects based on the deployment environment. Metadata+deploy = :)