BlueShoes is an application framework written in and for PHP4. It currently includes 140 well-documented classes and is intended for the advanced programmer. Special features are: extensive form building, validation and handling, object persisting, content caching, internationalization support, database connections for mysql, db2 and oracle, flexible html table generators, user authentication. Besides that it includes a set of javascript classes and applications, namely a dhtml spreadsheet editor, wysiwyg editor, slider control, tree control etc.