Qiknr

Qiknr is a simple objective to-do list. You don't need to register to get things done or some fancy email, calendar, multi-task agenda that takes so much time just...

Free Web

AgileTask

AgileTask is a lightweight personal backlog tool. Agiletask is a task tracking application featuring an agile workflow, tagging for organization, and interesting...

Commercial Web

Anxiety

Anxiety is a super-lightweight To-do list application for Mac OS X Leopard that synchronizes with iCal and Mail. Its aim is to provide a streamlined, easily accessible...

Free Open Source Mac OS X

B-liner

B-liners simple and intuitive outlining environment enhances your ability to think, organize, analyze, manage, communicate and document. Hierarchical spreadsheets let...

Commercial Windows

Check Off

Create to-do lists easily on your Mac. Check Off is a to-do list that sits in your Mac's menu bar. Simply click the check mark and your personal to-do list will drop...

Free Mac OS X

OpenLoopz

OpenLoopz is a task management system with a difference! It is inspired by Getting Things Done by David Allen and uses the special features of the Android system to...

Freemium Android

Tasktop

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 ...

Commercial Mac OS X Windows Linux

Reverb

Reverb — collaborate with everyone. Manage projects and tasks, upload files, discuss and share projects with anyone. Reverb is an exciting way to get things...

Commercial Web