Holiline Reminder

Holiline Reminder is both an event reminder and a calendar.

024h Lucky Reminder

024h Lucky Reminder is a reminder software for home and office.

Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay…

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

Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.

Clock application designed for GNOME 3

GoGetter is a task management system based on David Allen’s ever so popular Getting Things Done…

to-do list app that integrates with Gmail and Google Calendar

Longhorn systray clock program

Organize, track, manage any information related to your home, business or organization.

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Rainlendar - Customizable desktop calendar

Remember The Milk is a task and time management application for mobile devices.

Reminder manager that reminds you about important events in advance.

Improve personal organization and don’t forget important things.

A simple calendar with events (optional recurring and reminders), week numbers and a customizable…

System Scheduler for Windows, Free Task Scheduler Software replace Microsoft Windows Task Scheduler

T-Clock Redux in an enhanced fork of Stoic Joker’s T-Clock 2010 with ISO week number support…

Todoist is a to-do list that helps you get organized, at work and in life.

Toodledo provides a set of tools to increase the productivity.

Top Task List is simple, elegant and responsive task organizer.

WinMilk is a Windows Phone client for the to-do list service ‘Remember the Milk’.

Your web based TODO list.

A command-line todo list application using the todo.txt format.