Contact management refers to the ability to upload, share, and administer contact information. Project management covers the system's ability to provide time lines, Gantt charts, and other utilities that help plan workflow and assign and track specific tasks. We also look at each product's e-mail notification and file format compatibility features. The ability to limit replication to recent changes is a major factor in our evaluation. This rating also reflects off-line software integration.
Security reflects account security, including rights management for projects and document viewing.
We also look at the service's overall security, service-level agreements, and infrastructure. Just tell us what matters most to you and get an instant ranking according to your priorities. This story originally appeared in PC Magazine . ZDNet and ZDNet logo are registered trademarks of ZD Inc. Content originally published in Ziff Davis Media publications is the copyrighted property of Ziff Davis Media. Ziff Davis Media.