Flipping your to-do list on its head and focuses you on what you've accomplished rather than what you've still to do.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)



Tasks.org is described as 'Tasks is libre open-source software, based on the original source code from the popular Astrid Tasks & To Do List! Tasks is easy-to-use, feature-packed, flexible and customizable, and synchronizes with a variety of services' and is a popular todo list manager in the office & productivity category. There are more than 100 alternatives to Tasks.org for a variety of platforms, including iPhone, Android, Web-based, iPad and Mac apps. The best Tasks.org alternative is Todoist, which is free. Other great apps like Tasks.org are TickTick, Planify, Remember The Milk and Org mode.
Flipping your to-do list on its head and focuses you on what you've accomplished rather than what you've still to do.



Today App is a to-do list that focuses on today's tasks. Uncompleted tasks disappear at the end of the day, helping you prioritize. Use it for free or upgrade to premium for a detailed task timeline and customization options.




Manage team or personal tasks within your organization. Whether routine work or one-time tasks, always know who does what and when.




Sqrte Tasks is a different take on ToDo lists. It strives to maintain the simplicity of paper lists while adding the efficiency benefits you'd expect from a software solution. It's also privacy-minded and the free version is open source.





Fokus is an open source application that combines a todo list and a calendar that can help you manage your school related work and events in one place. It's fast and beautiful yet simple design that can help you focus on what matters most.

Simple way to manage your todo list in AJAX style. Written in PHP and jQuery. Data stored in SQLite or MySQL database. Distributed under the GNU GPL License.
Features
Multiple lists Task notes Tags (and tag cloud) Due dates (input format: y-m-d, m/d/y, d.m.y, m/d, d.m) Priorit.





Create challenges, track your progress, share with everyone and push your limits. Could be used as free to do list, productivity app and even as a shopping list!.








Task Air is a free, clean, minimal, and easy to use to-do list productivity app. Perfect if you want to quickly create a grocery list, to plan your day, to easily organize steps in your project, to maximize your productivity in your work duties or to stop procrastinating with...




TaskOnBot is a Project and Task Management Bot within Slack. No need to leave your conversation to manage your team work. Tasks can be created inside the Slack Channel when the conversation is going on.



