Task management

Remember the Milk is a webbased to-do-lists service. These lists can also be used for collaborative tasks.Remember The Milk

Basecamp is a web based project management application. It improves the communication between people working together on one or more projects.Basecamp

Huddle is a network of online workspaces ("Huddles") where users can come together to work on documents, plan projects and collaborate on ideas. Huddle

Stikkit is a web based task management service based on the yellow sticky-note concept.stikkit

Backpack is an online tool to organize your business and share information. Backpack is developed by 37signals.Backpack