Presenty is framework for building applications with rich and complex user interface. It brings together several ideas, concepts and technologies including:Modified Model-View-Presenter patternContinuation-based tasks as elements of user interaction at application levelUser requests as building blocks for tasks:Primitive user requests to invoke base interface componentsCompound requests for calling other tasksExtendable DSL (pure Smalltalk) facilitating task implementationPrototyping for visual components and tasksPresenty provides appearance and behavior configuration for components and tasks without application code modification.Presenty license is MIT and run on Pharo.See Presenty blog