Tasks.org Alternatives

Todoist is a to-do list that helps you get organized, at work and in life.

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

Smartsheet is an intuitive online project management tool enabling teams to increase productivity using cloud, collaboration, & mobile technologies.

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A project management software for teams who dare to dream differently.

free

Org: an Emacs Mode for Notes, Planning, and Authoring

Open Source

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

freemium $12.5 / Monthly (Per user - Business Class)

With Nextcloud enterprises host their own secure cloud solution for storage, collaboration & communication from any device, anywhere.

Open Source

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.

Open Source free

Track your tasks and projects in a plain text file, todo.txt. A todo.

Open Source

A better way to organize your mind.

freemium $4.99 / Monthly (Workflowy Pro)

Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

freemium $11.99 / Monthly (Per user - Premium)

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Open Source

Task management tool

This is a diary application optimized to user experience.