Todoist

Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant productivity tool. You'll find it has customizable reports, charts, GTD features, Lua extensions, device...

Zanshin is a powerful yet simple application for managing your day to day actions and notes. It helps you organize and reduce the cognitive pressure of what one has to …

GTD-Free is personal TODO/action manager inspired by GTD (Getting Things Done) method by David Allen (see David Allen&Co. official site for more information). GTD-Free tries to be simple and easy …

Tasktops task-based approach to your work day reduces information overload, helping to make all of the time you spend on work meaningful. Tasktop makes this possible by * enabling rich …

ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without …

Org-mode is for keeping notes, maintaining ToDo lists, doing project planning, and authoring with a fast and effective plain-text system. Available also as MobileOrg on iPhone (...

Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.

TimeGT is the only productivity tool that blends David Allen's Getting Things Done (GTD) and Eisenhower's priority method (task is either urgent, important, none or both). Tasks are related to …

Tasque is a simple task management app (TODO list). The main window has the ability to complete a task, change the priority, change the name, and change the due date …

Flexible Project & Task Management: Create shared task plans that easily adapt to your changing priorities. Join the thousands who depend on Sandglaz to get more done with less effort. …

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 …

Nevernote, now named NixNote, is an open source clone of Evernote designed to run on Linux. It is written in Java so it will also run on Windows & OS-X, …

Remember The Task is a light-weight ToDo application that allows you to maintain a list of tasks to be done. It Syncs with Remember The Milk so you can manage …

A beautiful, fast, and simple note taking app in the style of elementary

Task Coach is a well-structured, portable, Open Source todo / task manager (supporting 50 languages). It grew out of frustration that well-known task managers, such as those provided with Outlook …

GeeTeeDee is a fancy, lightweight, easy to use and effective task management software. Available for Windows, Linux and soon for Mac and Mobile.

Yodiz is online Agile Project Management tool, consisting of Product Backlog Management, Kanban Scrum Board, Issue Tracking Software, Team Discussions and Git/SVN Integrations. It also has Live Group chat that...