Portable Kanban is a Personal Task Manager created by Dmitry Ivanov. This Portable Free Personal Electronic Kanban Software might be used to help schedule and track your daily events or tasks and to monitor assignment productivity.
Rainlendar is a Free Portable Calendar, portable task and event or appointment manager. It can be used to organize your daily tasks, events, notes or appointments and can be set to remind you of those tasks or events.
Task Coach Portable is a Free, open source Portable Task Manager that can be stored and run from a USB device. It can be used to create, organize, manage and store your "to do list" or daily tasks while on the move.