bioTk is a collection of graphical ''widgets'' and utilities that supp
ort application programming in the domain of bioinformatics. It is Int
ended to establish a framework that encourages the development of comm
unicating window-based applications and flexible, non-modal user inter
action. The current release of bioTk has domain-specific widgets for c
hromosome ideogram displays, genome maps, and scrolling sequence windo
ws.