QuickCRC Microsoft Windows 3.2 descriptions QuickCRC is a tool for responsibility driven design of object-oriented software using CRC cards. CRC cards are used to discover & document classes responsibilities attributes & collaborations between classes. Design scenarios can be identified & simulated. Complex designs can be partitioned into multiple diagrams with easy navigation through a contents view. The inheritance graph automatically shows the class structure of the evolving design. The user can assign the attribute access of each card responsibility & the tool presents an attribute access graph.