Astrid is described as 'At its core, Astrid is a open source todo list that helps you get stuff done. That's why Astrid makes it really easy to create lists of tasks, as well as set priority, set due dates, and times' and is a popular todo list manager in the office & productivity category. There are more than 100 alternatives to Astrid for a variety of platforms, including Windows, Web-based, Android, iPhone and Mac apps. The best Astrid alternative is Todoist, which is free. Other great apps like Astrid are TickTick, Workflowy, Microsoft Outlook and Tasks.org.
Wieldy is a free to-do list manager that is based on the principles of GTD (Getting Things Done). It allows you to manage your to-dos in a simple but effective way. To-dos can be created as thoughts and actions, which can then be assigned to the Next Action, Today, or Someday...
An online notebook, which will help you organise your informations. It will allow you to create Pages consisting of notes, images, to-dos, files... You can keep them for yourself or share with your coworkers, friends and family.
Remember The Task is a light-weight ToDo application that allows you to maintain a list of tasks to be done. It Syncs with Remember The Milk so you can manage your tasks on the go using RTM.
A simple todo-List manager with a focused clutter-free design to help you get things done.
Switzerland
Swift To-Do List - all your tasks and notes in one place. The number one task organizer for Windows. Light-weight and easy to use, yet powerful.
Czechia
EU
ActionComplete is a streamlined task management solution for the practitioners of GTD methodology.
United States
Got To Do is an application for managing tasks and things to do, based on the "Getting Things Done" (GTD) Workflow.
Personal productivity tool primarily based on the GTD (Getting Things Done) method.
gTasks is a tasks app for iPhone/iPad in which you manage all your daily tasks, set reminders and sync with Google.
Israel
Business Calendar for Android is a complete calendar application that is synchronising with your Google calendars!
Todo.ly is an intuitive and easy to use online Todo list, and Task Manager. It helps you to get organized, simplify your life, and to get things done. Create todo lists, and manage them online from anywhere.
HungaryEU
A project / life management application which offers the usual task management functionality and additionally offers workflows to help individuals move from idea to completion.
