Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

Desktop-Reminder is a freeware task planner for Windows to manage your tasks and other to-dos’ in easy way.

A great free desktop notes software that lets you create and store virtual Sticky Notes right on your desktop

Manage your tasks, register expenses, save your passwords, use a handy interactive calendar, write daily diary, etc.

Todo-list application that helps you managing your tasks

Desktop iCalendar is a handy tool that allows users manage events, todos, sync with their Google Calendar and much more.

TaskPrompt is a task reminder utility. You can add tasks and categorize them.

UK's Kalender is a MS Windows program intended to remind you of upcoming events and todos.

A simple and convenient list of to-do items

Yet Another Todo List is an effective little freeware app based on nowdothis.com

Deadline Manager - a simple Task Management application

To-Do-O is a simple to-do list organizer for Windows as well as eSWT capable mobile devices

The Todo list software which manages the tasks effectively and prevents forgetfulness.

Adds visual bookmarks (like speed dial or fast dial) and a simple todo-list in your homepage

It allows users to create, delete, synchronize, print and send through mail, daily or monthly notes