Apps similar to Task Office: to-do, calendar include Todoist, which has a free version. Other options are Workflowy, Quire, Microsoft To Do and Remember The Milk. There's no shortage of Todo List Managers like Task Office: to-do, calendar, with more than 100 alternatives for iPhone, the web, Android, Mac and iPad.
Nirvana is a secure, cloud-based GTD® task manager accessible from your desktop web browser and mobile devices. If you have more to do than you can manage in your head, or if you want greater clarity of mind and focus in life, Nirvana is for you.
Canada
Simple GTD application to manage your tasks and to-dos. Syncs with web server. Complete with the usual Inbox, Today, Next, Tomorrow, Scheduled and Someday "buckets" as most GTD programs have. You can also create Projects for tasks with multiple steps.
China
Plan combines all of your calendars, projects, tools, and documents into one intuitive place - the central hub for your work-life.
United States
MeisterTask is the most intuitive task management and collaboration tool on the web. Sign up, invite your team and start working. No training required.
Germany
EU
Priority Matrix software helps managers prioritize, focus, and work smarter. It allows you to seamlessly communicate team priorities and keep track of the moving parts of your projects, promoting accountability and clarity across multiple platforms.
United States
Taskworld empowers managers to proactively manage their team with the help of advanced analytics, project management and real-time communication.
United States
Legend (formerly Moo.do) is a notepad, a to-do list, and an outliner, but with advanced features that make the cloud-based application much more useful than any of those tools would be on their own.
United States
A simple todo-List manager with a focused clutter-free design to help you get things done.
Switzerland
2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface and a comprehensive and flexible set of powerful features, it lets you focus on what's most important to you: your life.
United Kingdom
Tracks is a web-based application to help you implement David Allen’s Getting Things Done™ methodology. It was built using Ruby on Rails, and comes with a built-in webserver (WEBrick), so that you can run it on your own computer if you like.
Make lists and get organized. TaskPaper is a plain text to-do list that’s surprisingly adept.
United States
An open-source Android planner for students that combines a to-do list and calendar for schoolwork and events. It offers due-date and event reminders, task attachments, persistent notifications, an ad- and tracking-free experience, simple organization, and an on-device database.
Philippines
