Social Source Commons

All-in-1 Personal Information Manager is a personal organizer useful for managing any kind of personal information such as tasks, events, contacts, notes, file links, Web links and executable key scripts.

An advanced, shared task list, Asana acts as a light-weight project management system. Free for up to 30 team members, Asana has many features to make it easy to use.

Online task-management software.

Helps you to easily maintain tasks and appointments on your computer.

ClockingIT is a free to use hosted application, keeping track of all your tasks and the time you spend on them.

email, fax, telephone dialup and web management

DeskAway is a subscription-based web-based social collaboration service that enables small businesses & teams to organize, manage & track their work online.

Email client and personal information manager; features include calendar, address book, task list, note list, and project manager.

An ultra simple task timer.

Messaging and collaboration server software.

Task management software

Tools to help organize tasks, thoughts and sometimes even files visually so you can get them done in a logical way. An alternative to the old school "check box list" route.

Based on an NTEN Discussion thread.

Time tracking and time management.

Track Projects, Tasks, Customers and send e-mails

Open Workbench is a FOSS project management application. Open Workbench provides robust project scheduling and management functionality. Although it is provided as free software you still need the Clarity suite if you want to use a central database to manage enterprise collaboration. With Clarity's Schedule Connect module, it can specifically link to many PCs with Open Workbench 1.1 installed. The module installs on both centralised server and the desktops, adding database access to Open Workbench’s screens.

Propel'r is a web based application built from the ground up with David Allen's "Getting Things Done" methodology (GTD) in mind. It is not yet fully released.

Online task and project management software

A project organization tool from Microsoft OfficeLabs that allows you to put together thoughts and manage your tasks through virtual sticky notes that you can group together.

Online task-management software.

Web-based task-management and collaboration software.

Hosted project management tool with social media features, discussions, and wiki. Scalable with free and paid for options.

Tweeto is a browser based task manager/todo list that allows you to quickly and easily plan your tasks so that you never forget the important things in both your personal and work life.