The selection is used in some modules as only the portion being analyzed for other modules i.e. The tabs in the lower analysis panel try to keep up with the current sequence selection to provide immediate feedback. The upper window panel can hold several sequences, which are both editable and selectable. These clients have graciously allowed me to release these works into the public domain as freeware for Macintosh OS X in order to promote the platform and to encourage migration from Classic.
This (Java) application is a collage of coding projects which I have written over the past several years for various clients in my work as a bioinformatics consultant.