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, Wekan, Tasks.org and Habitica.
Task Hammer is an rpg game and a task list app in one. Task Hammer lets you complete your epic quests or daily routines and even gets you awarded for that. You can be a barbarian, a rouge or a sorceress and level up your character by doing real world stuff.
Memability is a note and project organizer focused on fast and easy creation and management of HIERARCHICAL (tree) multi-level notes aka outliner. You can syncronize your notes between multiple Android devices and access from PC using your Google account (via Google Tasks).
A simple yet powerful list reminder app to help you organize your life and get things done.
TaskCard is a simple and visual way to organize your thoughts and tasks into to-do lists. Like sticky notes on the desk, TaskCards can be posted and organized in different sizes and colors around your desktop to help you remember important things or keep lists for projects.
In the spirit of Notational Velocity, Nottingham is an elegant notepad for Mac OS X. Designed to be lightweight and easy to use, it's a breath of fresh air perfect for storing whatever is on your mind.
Sync your Wunderlist to-dos with Microsoft Outlook (2010, 2013, 2016). You can view and edit existing to-dos and create new to-dos. It's possible to turn e-mails into new to-dos, follow up on e-mails and upload files.
Online GTD manager.
You can use it to manage your goals, projects and tasks, set next actions and contexts, use checklists, schedules and a calendar. A mobile version is available too.
NotesTab is quite simply the best notes app you will ever use. It has been engineered from the ground up to offer the fastest and most pleasurable note taking experience possible. Try it for a week and you'll be hooked for life.
TeamTodoList is like a giant whiteboard in the sky. It lets everyone see what everyone else is working on. It's free.
gTasks is a tasks app for iPhone/iPad in which you manage all your daily tasks, set reminders and sync with Google.
Hapit is a minimalist habit tracker without account registration and annoying self-help notifications. We believe in keeping it simple with no unnecessary features or distractions. Just clear feedback of your progress towards a better life.
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