These are non commerical applications developed by the user community.
Bo Zimmerman’s excellent archiving and de-archiving application. Supports many formats.
Click here for more information.
Bo Zimmerman’s GUI designer for screens, menus, and dialog boxes can export directly to GeoWrite source files. More info can be found here.
This application by Bo Zimmerman will view Commodore SEQ files, plus a host of other file types including GeoWrite and GeoPaint. Click here for more information.