Sidebars is our series of papers on topics related to our products. Sidebars Below is a selected list of sites related to Smalltalk, Java and object-oriented programming in general. Cincom -Suppliers of Object Studio, Visual Works & VSE IBM VisualAge for Smalltalk This is the home site for EXtreme Programming (XP) "EXtreme Programming is a humanistic discipline of software development, based on principles of simplicity, communication, feedback, and courage." Ron Jeffries. The primary XP authors are Kent Beck, Ken Auer, Ward Cunningham, Martin Fowler. Jack Shirazi's Java Performance tuning site Other sites of interest The Register -All the IT news that it's fit to print Index On Censorship - A publication which focuses attention on some of the worlds worst inhumanities - published by a charity and deserving of everyones support