The Smalltalk Refactory a tool to reorganize Smalltalk programs. Check out our RevJava tool that can check proper applications of patterns in Java code. Conferences Some conferences are dedicated to patterns. Check the patterns home page . You can also find pattern specific workshops, tutorials, etc.
Books There are now several books about or related to patterns.
Check out the Patterns Home Page for more details and recent updates. A Pattern Language, Oxford University Press. 1995 P. Coad et. 1994 F. Buschmann, et. Software Architecture - A System of Patterns, Wiley and Sons Ltd., 1996.