The ACM Computing Classification System (1998)

D.2.2 Design Tools and Techniques 

• Computer-aided software engineering (CASE)
• Decision tables
• Evolutionary prototyping 
• Flow charts
• Modules and interfaces
• Object-oriented design methods 
• Petri nets
• Programmer workbench [**]
• Software libraries
• State diagrams 
• Structured programming [**]
• Top-down programming [**]
• User interfaces