Ptgmedia
Ptgmedia
http://ptgmedia.pearsoncmg.com/images/9780131879058/downloads/0131879057_Ezust_book.pdf
Refcardz
Design patterns cheat sheet with helpful diagrams and explanations for each of the 23 gof design patterns. the most popular dzone refcard ever!
http://refcardz.dzone.com/refcardz/design-patterns
Download
50% off for a limited time!!!!!!gof design patterns application for android is a highly distilled knowledge of design patterns and a great reference for on-the-go learning.
http://download.cnet.com/GoF-Design-Patterns/3000-18495_4-75697748.html
Sourceforge
A toolkit to design applications using design patterns, with facility to generate code, and reverse engineering. drag and drop facility to create …
http://sourceforge.net/projects/dpatoolkit
Headfirstlabs
If you've read a head first book, you know what to expect--a visually rich format designed for the way your brain works. using the latest research in neurobiology, cognitive science, and learning theory, head first design patterns will load patterns into your brain in a way that sticks. in a way that lets you put them to work immediately. in a way that makes you better at solving software design problems, and better at speaking the language of patterns with others on your team.
http://www.headfirstlabs.com/books/hfdp
Argo UML
Collabnet, facilitating collaborative software development
http://argouml.tigris.org/