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.
MSD Organizer is another great Personal and Professional Organizer or Portable Personal Information Manager. MSD offers many interesting features including pluggable modules such as a calendar with reminder function, phone book, todo list, internet password manager and much more.
Essential PIM is an appointment and information manager. It can be used as a scheduler, contact manager and outliner.
Total Organizer allows a user to Organize and store personal information such as a contacts, notes, tasks and to-do items within an easy to navigate folder tree structure and calendar menu. Typically a user would install Total Organizer to a folder on their hard disk.
