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.
Here's another great Freeware Task Manager called SterJo. It can be used for advanced process or task management and simple Trojan or Spyware detection.
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.