Most of the discussion of Design Patterns on this Wiki are specific to Software Engineering and are therefore Software Design Patterns, as contrasted with Alexander's original Architectural Design Patterns, which inspired the ones in software.
Software Design Patterns include famous examples such as Singleton Pattern, Abstract Factory Pattern (see Builder Pattern), Prototype Pattern
Software Design Patterns Index with cross references to different names for the same pattern.
See Category Pattern for a moderately exhaustive list.
Somewhat related topics:
See original on c2.com 