Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android




Challenge Achieved is described as '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!' and is a todo list manager in the office & productivity category. There are more than 100 alternatives to Challenge Achieved, not only websites but also apps for a variety of platforms, including iPhone, Android, Mac and Windows apps. The best Challenge Achieved alternative is Trello, which is free. Other great sites and apps similar to Challenge Achieved are Todoist, Tasks.org, Wekan and TickTick.




Cheddar keeps your world organized. It's easy to use on your iPhone, iPod touch, iPad, and on the web. Cheddar is super simple and instantly in sync on all of your devices.


Top Task List is simple, elegant and responsive task organizer. You can turn a task into a start screen tile, give it custom colors, priorities, edit multiple tasks at once, shake the phone to move completed tasks out of the way, create sub-tasks, etc.




Slash is a new type of to do app that actually helps you get things done VS just make lists. Add your tasks, hit 'Start' to enter hyper focus mode, and never leave flow-state. Level up with Pomodoros, Eisenhower Matrix sorting, time-based tasks + more.




Tinotes is an open platform to store and organize your ideas, memories and plans. Use components you know from other apps — notes, lists, multimedia, editors etc… Combine them freely and compose a unique desktop to match your current requirements.




Tracked is a chrome extension that adds labels and estimates to Basecamp to-dos and kanban boards for Basecamp projects all within Basecamp's UI.


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.

Focus Matrix is a smart personal organizer based on the so-called Eisenhower box, a personal productivity strategy created by Dwight Eisenhower, the 34th President of the United States. The principle uses a special priority matrix that helps break your tasks into several groups...




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...



SquidHub is a simple, fun and flexible way to collaborate with friends, family and co-workers. Get a great overview and say goodbye to stress.




Due Today offers a powerful solution to organize your tasks and projects using a mixture of David Allen's Getting Things Done methodology and your own organizational scheme.




Conqu is an easy to use yet powerful task management tool designed to help you conquer your inbox and get things done. With Conqu, you can organize the tasks by criteria that makes sense to you and then find the right task to do at the right time and place.



