What are some alternatives?
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.
Active Collab - Active Collab — Task management, Team collaboration, Time tracking & Invoicing app
Basecamp - A simple and elegant project management system.
Trello - 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.
Clarizen - Looking for an effective project management solution? Clarizen offers a powerful online project management software to get the job done efficiently. Learn more.
Smartsheet - Smartsheet is an intuitive online project management tool enabling teams to increase productivity using cloud, collaboration, & mobile technologies.