Holiline Reminder is both an event reminder and a calendar. Holiline’s aim is to ensure that you do not forget about a friend’s birthday, an important holiday, or another significant event. By default, it takes over the taskbar to remind you about important events that are...

RightTasks places your Google Tasks in a right sidebar in Gmail, like in Google Calendar.

Description Get organized with TOPICS to-do task list manager. Features include

• Organize your todo list items according to different topics
• Quick-and-easy creation of new items and topics
• Send items and topics to friends via email
• Add priority and due date to items
• Expo.

A checklist application written in java with reminders and system tray support to improve productivity.

OnePlace is the online business organization solution that integrates project management and team collaboration for successful people and a successful business.

A free, simple todo list program for Windows. Fast as Notepad, supports subtasks, custom task orders and more. Works as a basic mind mapper as well.

Actiontext is a very simple and basic universal app for managing your tasks. It uses the todo.txt file format. You can then synchronise the file with your cloud provider of choice.

MyMaelstrom is a professional time management software designed to enable you to efficiently organize your projects.

gTasks is a tasks app for iPhone/iPad in which you manage all your daily tasks, set reminders and sync with Google.

KNote is an easy to use wiki-like note taking program with built in file management and blogging capabilities.

Have you ever needed to remember something real important but had no way to? Catzware introduces Simple Notes, a program which allows you to make up to five notes and keep them open on your desktop all at the same time so you never forget anything again!

Milkify is a desktop client for Remember The Milk, the awesome "to-do list" web application. It allows you to manage your tasks from the desktop, the same way Thwirl or Twitterrific manage your tweets.