Trello

Freemium

Trello is a web based project management solution.

Wrike

Freemium

Wrike is an online project management software that gives you full visibility and control over tasks.

WorkFlowy

Freemium

WorkFlowy is an organizational tool that makes life easier. It's a surprisingly powerful way to take notes, make lists, collaborate, brainstorm, plan.

Task Coach

Open Source

A simple and friendly task manager written in Python.

Doit.im

Freemium

Doit.im is a Cross-platform Best Online GTD Service, which can sync with Phones.

Quire

Free

Quire is a collaborative task management tool for breaking down goals in hierarchical lists.

Nirvana

Freemium

Nirvana is a cloud-based task manager that isn’t just about doing more.

Todo.txt

Open Source

todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily Todo management software.

Awesome Note

Commercial

Awesome notes is a powerful text and voice note taking application with many great features.

Conqu

Freemium

Conqu is a simple yet powerful task management tool designed to help you conquer your inbox and get things done.

Clear

Commercial

Clear is a tasks, reminders and To-Do lists app.

Hive.com

Commercial

Hive.com is a productivity platform with powerful project management features.

Remember The Milk

Freemium

Remember the Milk (RTM) is an application service provider for a Web-based task- and time-management.

Todoist

Freemium

Todoist: To-Do list and Task Manager.

Toodledo

Freemium

Toodledo is a popular and powerful online productivity tool. Manage your to-do list, take notes, track habits, and organize ideas into outlines and lists.

OmniFocus

Commercial

OmniFocus is a personal task manager.

MyLifeOrganized

Freemium

MyLifeOrganized (MLO) is the most flexible and powerful task management software for getting your to-dos finally done.

TickTick

Freemium

TickTickis a cross-platform to-do list app & task manager helps you to get all things done and make life well organized.

Org-mode

Open Source

Org-mode is an Emacs Mode for Notes, Planning, and Authoring.

Avaza

Freemium

Avaza is a beautiful online software suite with modules for Project Management, Timesheets, Expenses & Invoicing. Access from anywhere, with any device.

Priority Matrix

Commercial

Priority Matrix is a time management software application that is supported on a number of platforms, including Microsoft Windows, Mac OS X, Android, and iOS.…